1012012019931 has 16 divisors (see below), whose sum is σ = 1472644787328. Its totient is φ = 613079241600.

The previous prime is 1012012019917. The next prime is 1012012019947. The reversal of 1012012019931 is 1399102102101.

It is not a de Polignac number, because 1012012019931 - 2⁹ = 1012012019419 is a prime.

It is a super-2 number, since 2×1012012019931² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012012019531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6455790 + ... + 6610691.

It is an arithmetic number, because the mean of its divisors is an integer number (92040299208).

Almost surely, 2^{1012012019931} is an apocalyptic number.

1012012019931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012012019931 is a deficient number, since it is larger than the sum of its proper divisors (460632767397).

1012012019931 is a wasteful number, since it uses less digits than its factorization.

1012012019931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13068842.

The product of its (nonzero) digits is 972, while the sum is 30.

The spelling of 1012012019931 in words is "one trillion, twelve billion, twelve million, nineteen thousand, nine hundred thirty-one".