20112313211012 has 12 divisors (see below), whose sum is σ = 38396234312016. Its totient is φ = 9141960550440.

The previous prime is 20112313210981. The next prime is 20112313211027. The reversal of 20112313211012 is 21011231321102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228549013718 + ... + 228549013805.

It is an arithmetic number, because the mean of its divisors is an integer number (3199686192668).

Almost surely, 2^{20112313211012} is an apocalyptic number.

20112313211012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20112313211012 is a deficient number, since it is larger than the sum of its proper divisors (18283921101004).

20112313211012 is a wasteful number, since it uses less digits than its factorization.

20112313211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457098027538 (or 457098027536 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 20112313211012 its reverse (21011231321102), we get a palindrome (41123544532114).

The spelling of 20112313211012 in words is "twenty trillion, one hundred twelve billion, three hundred thirteen million, two hundred eleven thousand, twelve".