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12102122202 = 232843709469
BaseRepresentation
bin10110100010101011…
…11011101011011010
31011020102021111200020
423101111323223122
5144241120402302
65320514251310
7605621225052
oct132125735332
934212244606
1012102122202
115150372595
122418b86b36
1311ab36c271
1482b402562
154ac6e3ebc
hex2d157bada

12102122202 has 16 divisors (see below), whose sum is σ = 24212792160. Its totient is φ = 4032616112.

The previous prime is 12102122191. The next prime is 12102122203. The reversal of 12102122202 is 20222120121.

It is a super-2 number, since 2×121021222022 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102122203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337677 + ... + 371792.

It is an arithmetic number, because the mean of its divisors is an integer number (1513299510).

Almost surely, 212102122202 is an apocalyptic number.

12102122202 is an abundant number, since it is smaller than the sum of its proper divisors (12110669958).

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

12102122202 is a wasteful number, since it uses less digits than its factorization.

12102122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712317.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12102122202 its reverse (20222120121), we get a palindrome (32324242323).

The spelling of 12102122202 in words is "twelve billion, one hundred two million, one hundred twenty-two thousand, two hundred two".

Divisors: 1 2 3 6 2843 5686 8529 17058 709469 1418938 2128407 4256814 2017020367 4034040734 6051061101 12102122202