3121112133123 has 8 divisors (see below), whose sum is σ = 4162498104000. Its totient is φ = 2080233792168.

The previous prime is 3121112133101. The next prime is 3121112133133. The reversal of 3121112133123 is 3213312111213.

3121112133123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3121112133123 - 2²⁸ = 3120843697667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3121112133093 and 3121112133102.

It is not an unprimeable number, because it can be changed into a prime (3121112133133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126893133 + ... + 126917726.

It is an arithmetic number, because the mean of its divisors is an integer number (520312263000).

Almost surely, 2^{3121112133123} is an apocalyptic number.

3121112133123 is a deficient number, since it is larger than the sum of its proper divisors (1041385970877).

3121112133123 is a wasteful number, since it uses less digits than its factorization.

3121112133123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253814961.

The product of its digits is 648, while the sum is 24.

Adding to 3121112133123 its reverse (3213312111213), we get a palindrome (6334424244336).

The spelling of 3121112133123 in words is "three trillion, one hundred twenty-one billion, one hundred twelve million, one hundred thirty-three thousand, one hundred twenty-three".