231012001012 has 96 divisors (see below), whose sum is σ = 482376384000. Its totient is φ = 95715704832.

The previous prime is 231012000977. The next prime is 231012001019. The reversal of 231012001012 is 210100210132.

It is a super-2 number, since 2×231012001012² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 231012000983 and 231012001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231012001019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7283364 + ... + 7315012.

It is an arithmetic number, because the mean of its divisors is an integer number (5024754000).

Almost surely, 2^231012001012 is an apocalyptic number.

It is an amenable number.

231012001012 is an abundant number, since it is smaller than the sum of its proper divisors (251364382988).

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

231012001012 is a wasteful number, since it uses less digits than its factorization.

231012001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32065 (or 32063 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 231012001012 its reverse (210100210132), we get a palindrome (441112211144).

The spelling of 231012001012 in words is "two hundred thirty-one billion, twelve million, one thousand, twelve".