3123103120120 has 64 divisors (see below), whose sum is σ = 7096121720640. Its totient is φ = 1237002624000.

The previous prime is 3123103120091. The next prime is 3123103120157. The reversal of 3123103120120 is 210213013213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064530 + ... + 2716510.

It is an arithmetic number, because the mean of its divisors is an integer number (110876901885).

Almost surely, 2^{3123103120120} is an apocalyptic number.

It is an amenable number.

3123103120120 is an abundant number, since it is smaller than the sum of its proper divisors (3973018600520).

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

3123103120120 is a wasteful number, since it uses less digits than its factorization.

3123103120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652456 (or 1652452 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 3123103120120 its reverse (210213013213), we get a palindrome (3333316133333).

The spelling of 3123103120120 in words is "three trillion, one hundred twenty-three billion, one hundred three million, one hundred twenty thousand, one hundred twenty".