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12012111202 = 2713411609771
BaseRepresentation
bin10110010111111101…
…00100010101100010
31011000010220110210111
423023332210111202
5144100100024302
65303541121534
7603446155240
oct131376442542
934003813714
1012012111202
115104583a33
1223b29b92aa
131195815310
1481d491790
154a48640d7
hex2cbfa4562

12012111202 has 32 divisors (see below), whose sum is σ = 22717102464. Its totient is φ = 4636137600.

The previous prime is 12012111193. The next prime is 12012111227. The reversal of 12012111202 is 20211121021.

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 15 ways as a sum of consecutive naturals, for example, 797424 + ... + 812347.

It is an arithmetic number, because the mean of its divisors is an integer number (709909452).

Almost surely, 212012111202 is an apocalyptic number.

12012111202 is a deficient number, since it is larger than the sum of its proper divisors (10704991262).

12012111202 is a wasteful number, since it uses less digits than its factorization.

12012111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609834.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12012111202 its reverse (20211121021), we get a palindrome (32223232223).

The spelling of 12012111202 in words is "twelve billion, twelve million, one hundred eleven thousand, two hundred two".

Divisors: 1 2 7 13 14 26 41 82 91 182 287 533 574 1066 3731 7462 1609771 3219542 11268397 20927023 22536794 41854046 66000611 132001222 146489161 292978322 462004277 858007943 924008554 1716015886 6006055601 12012111202