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12210203012 = 2271767382861
BaseRepresentation
bin10110101111100100…
…01110100110000100
31011111221122120200012
423113302032212010
5200001302444022
65335335005352
7611403004340
oct132762164604
934457576605
1012210203012
1151a6383277
122449209858
1311c7881bc7
1483b8d8620
154b6e42de2
hex2d7c8e984

12210203012 has 48 divisors (see below), whose sum is σ = 26242892928. Its totient is φ = 4851601920.

The previous prime is 12210203009. The next prime is 12210203021. The reversal of 12210203012 is 21030201221.

It is a happy number.

12210203012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159539 + ... + 223322.

It is an arithmetic number, because the mean of its divisors is an integer number (546726936).

Almost surely, 212210203012 is an apocalyptic number.

It is an amenable number.

12210203012 is an abundant number, since it is smaller than the sum of its proper divisors (14032689916).

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

12210203012 is a wasteful number, since it uses less digits than its factorization.

12210203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382956 (or 382954 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12210203012 its reverse (21030201221), we get a palindrome (33240404233).

The spelling of 12210203012 in words is "twelve billion, two hundred ten million, two hundred three thousand, twelve".

Divisors: 1 2 4 7 14 17 28 34 67 68 119 134 238 268 469 476 938 1139 1876 2278 4556 7973 15946 31892 382861 765722 1531444 2680027 5360054 6508637 10720108 13017274 25651687 26034548 45560459 51303374 91120918 102606748 179561809 182241836 359123618 436078679 718247236 872157358 1744314716 3052550753 6105101506 12210203012