Search a number
-
+
1230211102120 = 2357111330724553
BaseRepresentation
bin10001111001101110010…
…010111011010110101000
311100121101112020010000121
4101321232102323112220
5130123433020231440
62341052353213024
7154610530555660
oct21715622732650
94317345203017
101230211102120
11434803106290
1217a50b261174
138c0156234b0
1443784a051a0
152200211334a
hex11e6e4bb5a8

1230211102120 has 128 divisors (see below), whose sum is σ = 3716442051840. Its totient is φ = 353946839040.

The previous prime is 1230211102103. The next prime is 1230211102151. The reversal of 1230211102120 is 212011120321.

It is a junction number, because it is equal to n+sod(n) for n = 1230211102094 and 1230211102103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15322237 + ... + 15402316.

It is an arithmetic number, because the mean of its divisors is an integer number (29034703530).

Almost surely, 21230211102120 is an apocalyptic number.

1230211102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230211102120 is an abundant number, since it is smaller than the sum of its proper divisors (2486230949720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230211102120 is a wasteful number, since it uses less digits than its factorization.

1230211102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30724595 (or 30724591 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1230211102120 its reverse (212011120321), we get a palindrome (1442222222441).

It can be divided in two parts, 1230211 and 102120, that added together give a palindrome (1332331).

The spelling of 1230211102120 in words is "one trillion, two hundred thirty billion, two hundred eleven million, one hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 11 13 14 20 22 26 28 35 40 44 52 55 56 65 70 77 88 91 104 110 130 140 143 154 182 220 260 280 286 308 364 385 440 455 520 572 616 715 728 770 910 1001 1144 1430 1540 1820 2002 2860 3080 3640 4004 5005 5720 8008 10010 20020 40040 30724553 61449106 122898212 153622765 215071871 245796424 307245530 337970083 399419189 430143742 614491060 675940166 798838378 860287484 1075359355 1228982120 1351880332 1597676756 1689850415 1720574968 1997095945 2150718710 2365790581 2703760664 2795934323 3195353512 3379700830 3994191890 4301437420 4393611079 4731581162 5591868646 6759401660 7988383780 8602874840 8787222158 9463162324 11183737292 11828952905 13518803320 13979671615 15976767560 17574444316 18926324648 21968055395 22367474584 23657905810 27959343230 30755277553 35148888632 43936110790 47315811620 55918686460 61510555106 87872221580 94631623240 111837372920 123021110212 153776387765 175744443160 246042220424 307552775530 615105551060 1230211102120