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12120102202 = 2131061439357
BaseRepresentation
bin10110100100110101…
…00001010100111010
31011021200002222121011
423102122201110322
5144310221232302
65322355504134
7606230111635
oct132232412472
934250088534
1012120102202
11515a53319a
122422bb804a
1311b1cc6110
1482d962c1c
154ae0965d7
hex2d26a153a

12120102202 has 16 divisors (see below), whose sum is σ = 19597124232. Its totient is φ = 5588608320.

The previous prime is 12120102167. The next prime is 12120102217. The reversal of 12120102202 is 20220102121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5538187561 + 6581914641 = 74419^2 + 81129^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192093 + ... + 247264.

Almost surely, 212120102202 is an apocalyptic number.

12120102202 is a deficient number, since it is larger than the sum of its proper divisors (7477022030).

12120102202 is a wasteful number, since it uses less digits than its factorization.

12120102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440433.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12120102202 its reverse (20220102121), we get a palindrome (32340204323).

The spelling of 12120102202 in words is "twelve billion, one hundred twenty million, one hundred two thousand, two hundred two".

Divisors: 1 2 13 26 1061 2122 13793 27586 439357 878714 5711641 11423282 466157777 932315554 6060051101 12120102202