130021031012 has 24 divisors (see below), whose sum is σ = 236410822200. Its totient is φ = 62494661376.

The previous prime is 130021030999. The next prime is 130021031033. The reversal of 130021031012 is 210130120031.

It can be written as a sum of positive squares in 4 ways, for example, as 50725850176 + 79295180836 = 225224^2 + 281594^2 .

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, 2420753 + ... + 2473880.

It is an arithmetic number, because the mean of its divisors is an integer number (9850450925).

Almost surely, 2^130021031012 is an apocalyptic number.

It is an amenable number.

130021031012 is a deficient number, since it is larger than the sum of its proper divisors (106389791188).

130021031012 is a wasteful number, since it uses less digits than its factorization.

130021031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894895 (or 4894893 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 130021031012 its reverse (210130120031), we get a palindrome (340151151043).

The spelling of 130021031012 in words is "one hundred thirty billion, twenty-one million, thirty-one thousand, twelve".