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12012002202 = 233122083247
BaseRepresentation
bin10110010111111100…
…01001101110011010
31011000010200221021110
423023332021232122
5144100033032302
65303534521150
7603445222404
oct131376115632
934003627243
1012012002202
11510450a052
1223b29661b6
1311957a7815
1481d463b74
154a4841b6c
hex2cbf89b9a

12012002202 has 24 divisors (see below), whose sum is σ = 24823983168. Its totient is φ = 3874837560.

The previous prime is 12012002099. The next prime is 12012002269. The reversal of 12012002202 is 20220021021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035858 + ... + 1047389.

It is an arithmetic number, because the mean of its divisors is an integer number (1034332632).

Almost surely, 212012002202 is an apocalyptic number.

12012002202 is an abundant number, since it is smaller than the sum of its proper divisors (12811980966).

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

12012002202 is a wasteful number, since it uses less digits than its factorization.

12012002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083314 (or 2083283 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12012002202 its reverse (20220021021), we get a palindrome (32232023223).

The spelling of 12012002202 in words is "twelve billion, twelve million, two thousand, two hundred two".

Divisors: 1 2 3 6 31 62 93 186 961 1922 2883 5766 2083247 4166494 6249741 12499482 64580657 129161314 193741971 387483942 2002000367 4004000734 6006001101 12012002202