10031123212312 has 128 divisors (see below), whose sum is σ = 20132750776320. Its totient is φ = 4678128000000.

The previous prime is 10031123212303. The next prime is 10031123212333. The reversal of 10031123212312 is 21321232113001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240816687 + ... + 240858337.

It is an arithmetic number, because the mean of its divisors is an integer number (157287115440).

Almost surely, 2^{10031123212312} is an apocalyptic number.

It is an amenable number.

10031123212312 is an abundant number, since it is smaller than the sum of its proper divisors (10101627564008).

10031123212312 is a wasteful number, since it uses less digits than its factorization.

10031123212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42065 (or 42061 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 10031123212312 its reverse (21321232113001), we get a palindrome (31352355325313).

The spelling of 10031123212312 in words is "ten trillion, thirty-one billion, one hundred twenty-three million, two hundred twelve thousand, three hundred twelve".