123125203315522 has 64 divisors (see below), whose sum is σ = 191543755014144. Its totient is φ = 59326179796800.

The previous prime is 123125203315519. The next prime is 123125203315531. The reversal of 123125203315522 is 225513302521321.

123125203315522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123125203315522² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1364026563 + ... + 1364116825.

It is an arithmetic number, because the mean of its divisors is an integer number (2992871172096).

Almost surely, 2^{123125203315522} is an apocalyptic number.

123125203315522 is a deficient number, since it is larger than the sum of its proper divisors (68418551698622).

123125203315522 is a wasteful number, since it uses less digits than its factorization.

123125203315522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91303.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 123125203315522 its reverse (225513302521321), we get a palindrome (348638505836843).

The spelling of 123125203315522 in words is "one hundred twenty-three trillion, one hundred twenty-five billion, two hundred three million, three hundred fifteen thousand, five hundred twenty-two".