130656431012 has 6 divisors (see below), whose sum is σ = 228648754278. Its totient is φ = 65328215504.

The previous prime is 130656430963. The next prime is 130656431023. The reversal of 130656431012 is 210134656031.

It can be written as a sum of positive squares in only one way, i.e., 108020024896 + 22636406116 = 328664^2 + 150454^2 .

It is a super-2 number, since 2×130656431012² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130656431012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16332053873 + ... + 16332053880.

It is an arithmetic number, because the mean of its divisors is an integer number (38108125713).

Almost surely, 2^130656431012 is an apocalyptic number.

It is an amenable number.

130656431012 is a deficient number, since it is larger than the sum of its proper divisors (97992323266).

130656431012 is a wasteful number, since it uses less digits than its factorization.

130656431012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32664107757 (or 32664107755 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 130656431012 in words is "one hundred thirty billion, six hundred fifty-six million, four hundred thirty-one thousand, twelve".