1020031020012 has 24 divisors (see below), whose sum is σ = 2456848909312. Its totient is φ = 329042264400.

The previous prime is 1020031019971. The next prime is 1020031020013. The reversal of 1020031020012 is 2100201300201.

It is a super-2 number, since 2×1020031020012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1020031020012.

It is not an unprimeable number, because it can be changed into a prime (1020031020013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371009064 + ... + 1371009807.

Almost surely, 2^{1020031020012} is an apocalyptic number.

1020031020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020031020012 is an abundant number, since it is smaller than the sum of its proper divisors (1436817889300).

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

1020031020012 is a wasteful number, since it uses less digits than its factorization.

1020031020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742018909 (or 2742018907 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1020031020012 its reverse (2100201300201), we get a palindrome (3120232320213).

The spelling of 1020031020012 in words is "one trillion, twenty billion, thirty-one million, twenty thousand, twelve".