1031020012 has 48 divisors (see below), whose sum is σ = 2128508928. Its totient is φ = 431678720.

The previous prime is 1031019959. The next prime is 1031020027. The reversal of 1031020012 is 2100201301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20493 + ... + 49819.

It is an arithmetic number, because the mean of its divisors is an integer number (44343936).

Almost surely, 2^1031020012 is an apocalyptic number.

It is an amenable number.

1031020012 is an abundant number, since it is smaller than the sum of its proper divisors (1097488916).

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

1031020012 is a wasteful number, since it uses less digits than its factorization.

1031020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29406 (or 29404 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1031020012 is about 32109.5003386848. The cubic root of 1031020012 is about 1010.2348935748.

Adding to 1031020012 its reverse (2100201301), we get a palindrome (3131221313).

The spelling of 1031020012 in words is "one billion, thirty-one million, twenty thousand, twelve".