123121131022022 has 16 divisors (see below), whose sum is σ = 211065260398080. Its totient is φ = 52766082919368.

The previous prime is 123121131022003. The next prime is 123121131022027. The reversal of 123121131022022 is 220220131121321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123121131022027) 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, 2920958 + ... + 15961649.

It is an arithmetic number, because the mean of its divisors is an integer number (13191578774880).

Almost surely, 2^{123121131022022} is an apocalyptic number.

123121131022022 is a deficient number, since it is larger than the sum of its proper divisors (87944129376058).

123121131022022 is a wasteful number, since it uses less digits than its factorization.

123121131022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19348355.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 123121131022022 its reverse (220220131121321), we get a palindrome (343341262143343).

The spelling of 123121131022022 in words is "one hundred twenty-three trillion, one hundred twenty-one billion, one hundred thirty-one million, twenty-two thousand, twenty-two".