Search a number
-
+
1202202220212 = 223372227173511
BaseRepresentation
bin10001011111101000110…
…101100001011010110100
311020221002112120111012000
4101133220311201122310
5124144102232021322
62320141205455300
7152566456160100
oct21375065413264
94227075514160
101202202220212
1142393a8a27a4
12174bb3111530
13894a0915aa6
1442288bc2900
15214131e53ac
hex117e8d616b4

1202202220212 has 72 divisors (see below), whose sum is σ = 3625689251520. Its totient is φ = 343486347120.

The previous prime is 1202202220201. The next prime is 1202202220223. The reversal of 1202202220212 is 2120222022021.

1202202220212 is a `hidden beast` number, since 12 + 0 + 220 + 2 + 220 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (1202202220201) and next prime (1202202220223).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113581464 + ... + 113592047.

It is an arithmetic number, because the mean of its divisors is an integer number (50356795160).

Almost surely, 21202202220212 is an apocalyptic number.

1202202220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202202220212 is an abundant number, since it is smaller than the sum of its proper divisors (2423487031308).

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

1202202220212 is a wasteful number, since it uses less digits than its factorization.

1202202220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227173538 (or 227173523 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1202202220212 its reverse (2120222022021), we get a palindrome (3322424242233).

It can be divided in two parts, 120220 and 2220212, that added together give a palindrome (2340432).

The spelling of 1202202220212 in words is "one trillion, two hundred two billion, two hundred two million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 108 126 147 189 196 252 294 378 441 588 756 882 1323 1764 2646 5292 227173511 454347022 681520533 908694044 1363041066 1590214577 2044561599 2726082132 3180429154 4089123198 4770643731 6133684797 6360858308 8178246396 9541287462 11131502039 12267369594 14311931193 19082574924 22263004078 24534739188 28623862386 33394506117 42935793579 44526008156 57247724772 66789012234 85871587158 100183518351 133578024468 171743174316 200367036702 300550555053 400734073404 601101110106 1202202220212