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12631325012 = 2223472921213
BaseRepresentation
bin10111100001110001…
…01011100101010100
31012121022001210110022
423300320223211110
5201332104400022
65445221044312
7625005330305
oct136070534524
935538053408
1012631325012
1153a2065489
122546256698
131263baa517
1487b7da7ac
154dddc9c42
hex2f0e2b954

12631325012 has 24 divisors (see below), whose sum is σ = 23556669696. Its totient is φ = 5912533088.

The previous prime is 12631324991. The next prime is 12631325033. The reversal of 12631325012 is 21052313621.

It is a happy number.

12631325012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12631324991) and next prime (12631325033).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1456283 + ... + 1464930.

It is an arithmetic number, because the mean of its divisors is an integer number (981527904).

Almost surely, 212631325012 is an apocalyptic number.

It is an amenable number.

12631325012 is a deficient number, since it is larger than the sum of its proper divisors (10925344684).

12631325012 is a wasteful number, since it uses less digits than its factorization.

12631325012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921287 (or 2921285 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 12631325012 its reverse (21052313621), we get a palindrome (33683638633).

The spelling of 12631325012 in words is "twelve billion, six hundred thirty-one million, three hundred twenty-five thousand, twelve".

Divisors: 1 2 4 23 46 47 92 94 188 1081 2162 4324 2921213 5842426 11684852 67187899 134375798 137297011 268751596 274594022 549188044 3157831253 6315662506 12631325012