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12220102112 = 251722463423
BaseRepresentation
bin10110110000101111…
…11111010111100000
31011112122021111200112
423120113333113200
5200011321231422
65340331110452
7611553103601
oct133027772740
934478244615
1012220102112
115200a24649
1224505a2428
1311c993986a
1483cd53da8
154b7c4aee2
hex2d85ff5e0

12220102112 has 24 divisors (see below), whose sum is σ = 25473522816. Its totient is φ = 5750636032.

The previous prime is 12220102079. The next prime is 12220102171. The reversal of 12220102112 is 21120102221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11231168 + ... + 11232255.

It is an arithmetic number, because the mean of its divisors is an integer number (1061396784).

Almost surely, 212220102112 is an apocalyptic number.

It is an amenable number.

12220102112 is an abundant number, since it is smaller than the sum of its proper divisors (13253420704).

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

12220102112 is a wasteful number, since it uses less digits than its factorization.

12220102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22463450 (or 22463442 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12220102112 its reverse (21120102221), we get a palindrome (33340204333).

The spelling of 12220102112 in words is "twelve billion, two hundred twenty million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 22463423 44926846 89853692 179707384 359414768 381878191 718829536 763756382 1527512764 3055025528 6110051056 12220102112