Search a number
-
+
1212001212110 = 251367139150541
BaseRepresentation
bin10001101000110000111…
…001101101011011001110
311021212101110002212000212
4101220300321231123032
5124324134302241420
62324441412122422
7153364343215433
oct21506071553316
94255343085025
101212001212110
114280090a6407
12176a88906412
138a3a2a85150
144293837db8a
15217d85ea3c5
hex11a30e6d6ce

1212001212110 has 32 divisors (see below), whose sum is σ = 2384483687712. Its totient is φ = 440828910720.

The previous prime is 1212001212109. The next prime is 1212001212199. The reversal of 1212001212110 is 112121002121.

It is a super-2 number, since 2×12120012121102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69566561 + ... + 69583980.

It is an arithmetic number, because the mean of its divisors is an integer number (74515115241).

Almost surely, 21212001212110 is an apocalyptic number.

1212001212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212001212110 is a deficient number, since it is larger than the sum of its proper divisors (1172482475602).

1212001212110 is a wasteful number, since it uses less digits than its factorization.

1212001212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139150628.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212001212110 its reverse (112121002121), we get a palindrome (1324122214231).

The spelling of 1212001212110 in words is "one trillion, two hundred twelve billion, one million, two hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 67 130 134 335 670 871 1742 4355 8710 139150541 278301082 695752705 1391505410 1808957033 3617914066 9044785165 9323086247 18089570330 18646172494 46615431235 93230862470 121200121211 242400242422 606000606055 1212001212110