3121000000112 has 20 divisors (see below), whose sum is σ = 6060711858960. Its totient is φ = 1556945326848.

The previous prime is 3121000000109. The next prime is 3121000000147. The reversal of 3121000000112 is 2110000001213.

It is a junction number, because it is equal to n+sod(n) for n = 3121000000093 and 3121000000102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222159833 + ... + 222173880.

It is an arithmetic number, because the mean of its divisors is an integer number (303035592948).

Almost surely, 2^{3121000000112} is an apocalyptic number.

It is an amenable number.

3121000000112 is a deficient number, since it is larger than the sum of its proper divisors (2939711858848).

3121000000112 is a wasteful number, since it uses less digits than its factorization.

3121000000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444334160 (or 444334154 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 3121000000112 its reverse (2110000001213), we get a palindrome (5231000001325).

The spelling of 3121000000112 in words is "three trillion, one hundred twenty-one billion, one hundred twelve", and thus it is an aban number.