3121032144120 has 128 divisors (see below), whose sum is σ = 10249149335040. Its totient is φ = 754031459840.

The previous prime is 3121032144047. The next prime is 3121032144137. The reversal of 3121032144120 is 214412301213.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 31 ways as a sum of consecutive naturals, for example, 3648084 + ... + 4421603.

It is an arithmetic number, because the mean of its divisors is an integer number (80071479180).

Almost surely, 2^{3121032144120} is an apocalyptic number.

3121032144120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3121032144120 is an abundant number, since it is smaller than the sum of its proper divisors (7128117190920).

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

3121032144120 is a wasteful number, since it uses less digits than its factorization.

3121032144120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8070005 (or 8070001 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 3121032144120 its reverse (214412301213), we get a palindrome (3335444445333).

The spelling of 3121032144120 in words is "three trillion, one hundred twenty-one billion, thirty-two million, one hundred forty-four thousand, one hundred twenty".