123122210311042 has 32 divisors (see below), whose sum is σ = 191446100213760. Its totient is φ = 59323639591440.

The previous prime is 123122210311033. The next prime is 123122210311063. The reversal of 123122210311042 is 240113012221321.

It is a junction number, because it is equal to n+sod(n) for n = 123122210310998 and 123122210311016.

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, 407151223 + ... + 407453509.

It is an arithmetic number, because the mean of its divisors is an integer number (5982690631680).

Almost surely, 2^{123122210311042} is an apocalyptic number.

123122210311042 is a deficient number, since it is larger than the sum of its proper divisors (68323889902718).

123122210311042 is a wasteful number, since it uses less digits than its factorization.

123122210311042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330046.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 123122210311042 its reverse (240113012221321), we get a palindrome (363235222532363).

The spelling of 123122210311042 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, two hundred ten million, three hundred eleven thousand, forty-two".