231012122130 has 48 divisors (see below), whose sum is σ = 626745936960. Its totient is φ = 58924830624.

The previous prime is 231012122071. The next prime is 231012122179. The reversal of 231012122130 is 31221210132.

231012122130 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 (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55797960 + ... + 55802099.

It is an arithmetic number, because the mean of its divisors is an integer number (13057207020).

Almost surely, 2^231012122130 is an apocalyptic number.

231012122130 is an abundant number, since it is smaller than the sum of its proper divisors (395733814830).

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

231012122130 is a wasteful number, since it uses less digits than its factorization.

231012122130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111600095 (or 111600092 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 231012122130 its reverse (31221210132), we get a palindrome (262233332262).

The spelling of 231012122130 in words is "two hundred thirty-one billion, twelve million, one hundred twenty-two thousand, one hundred thirty".