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12066444012 = 2237143648143
BaseRepresentation
bin10110011110011011…
…10101001011101100
31011010221010212101210
423033031311023230
5144203002202022
65313201434420
7605006040030
oct131715651354
934127125353
1012066444012
115132213a87
12240903ba10
1311a3b598cc
148267961c0
154a94e7a0c
hex2cf3752ec

12066444012 has 24 divisors (see below), whose sum is σ = 32177184256. Its totient is φ = 3447555408.

The previous prime is 12066443947. The next prime is 12066444031. The reversal of 12066444012 is 21044466021.

It is a happy number.

It is a super-2 number, since 2×120664440122 (a number of 21 digits) contains 22 as substring.

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, 71823988 + ... + 71824155.

Almost surely, 212066444012 is an apocalyptic number.

12066444012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12066444012 is an abundant number, since it is smaller than the sum of its proper divisors (20110740244).

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

12066444012 is a wasteful number, since it uses less digits than its factorization.

12066444012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143648157 (or 143648155 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 12066444012 in words is "twelve billion, sixty-six million, four hundred forty-four thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 143648143 287296286 430944429 574592572 861888858 1005537001 1723777716 2011074002 3016611003 4022148004 6033222006 12066444012