10031011212 has 12 divisors (see below), whose sum is σ = 23405692856. Its totient is φ = 3343670400.

The previous prime is 10031011181. The next prime is 10031011223. The reversal of 10031011212 is 21211013001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 835917601 = 10031011212 / (1 + 0 + 0 + 3 + 1 + 0 + 1 + 1 + 2 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417958789 + ... + 417958812.

Almost surely, 2^10031011212 is an apocalyptic number.

10031011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10031011212 is an abundant number, since it is smaller than the sum of its proper divisors (13374681644).

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

10031011212 is a wasteful number, since it uses less digits than its factorization.

10031011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835917608 (or 835917606 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 10031011212 its reverse (21211013001), we get a palindrome (31242024213).

The spelling of 10031011212 in words is "ten billion, thirty-one million, eleven thousand, two hundred twelve".