123144115005122 has 16 divisors (see below), whose sum is σ = 185001071005440. Its totient is φ = 61477093402512.

The previous prime is 123144115005061. The next prime is 123144115005139. The reversal of 123144115005122 is 221500511441321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131804873 + ... + 132735875.

It is an arithmetic number, because the mean of its divisors is an integer number (11562566937840).

Almost surely, 2^{123144115005122} is an apocalyptic number.

123144115005122 is a deficient number, since it is larger than the sum of its proper divisors (61856956000318).

123144115005122 is a wasteful number, since it uses less digits than its factorization.

123144115005122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032937.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 123144115005122 its reverse (221500511441321), we get a palindrome (344644626446443).

The spelling of 123144115005122 in words is "one hundred twenty-three trillion, one hundred forty-four billion, one hundred fifteen million, five thousand, one hundred twenty-two".