123122220131024 has 10 divisors (see below), whose sum is σ = 238549301503890. Its totient is φ = 61561110065504.

The previous prime is 123122220130991. The next prime is 123122220131041. The reversal of 123122220131024 is 420131022221321.

It can be written as a sum of positive squares in only one way, i.e., 119900310010000 + 3221910121024 = 10949900^2 + 1794968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123122220130984 and 123122220131002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3847569379079 + ... + 3847569379110.

It is an arithmetic number, because the mean of its divisors is an integer number (23854930150389).

Almost surely, 2^{123122220131024} is an apocalyptic number.

It is an amenable number.

123122220131024 is a deficient number, since it is larger than the sum of its proper divisors (115427081372866).

123122220131024 is an equidigital number, since it uses as much as digits as its factorization.

123122220131024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7695138758197 (or 7695138758191 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 123122220131024 its reverse (420131022221321), we get a palindrome (543253242352345).

The spelling of 123122220131024 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, two hundred twenty million, one hundred thirty-one thousand, twenty-four".