3120123131121 has 16 divisors (see below), whose sum is σ = 4238934456960. Its totient is φ = 2040702069120.

The previous prime is 3120123131117. The next prime is 3120123131137. The reversal of 3120123131121 is 1211313210213.

It is not a de Polignac number, because 3120123131121 - 2² = 3120123131117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3120123131161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1833685 + ... + 3098813.

It is an arithmetic number, because the mean of its divisors is an integer number (264933403560).

Almost surely, 2^{3120123131121} is an apocalyptic number.

It is an amenable number.

3120123131121 is a deficient number, since it is larger than the sum of its proper divisors (1118811325839).

3120123131121 is a wasteful number, since it uses less digits than its factorization.

3120123131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280696.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3120123131121 its reverse (1211313210213), we get a palindrome (4331436341334).

The spelling of 3120123131121 in words is "three trillion, one hundred twenty billion, one hundred twenty-three million, one hundred thirty-one thousand, one hundred twenty-one".