130123505122 has 32 divisors (see below), whose sum is σ = 221550623280. Its totient is φ = 56891976960.

The previous prime is 130123505111. The next prime is 130123505131. The reversal of 130123505122 is 221505321031.

It can be written as a sum of positive squares in 8 ways, for example, as 15386169681 + 114737335441 = 124041^2 + 338729^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1588129 + ... + 1668052.

Almost surely, 2^130123505122 is an apocalyptic number.

130123505122 is a deficient number, since it is larger than the sum of its proper divisors (91427118158).

130123505122 is a wasteful number, since it uses less digits than its factorization.

130123505122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256278.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 130123505122 its reverse (221505321031), we get a palindrome (351628826153).

The spelling of 130123505122 in words is "one hundred thirty billion, one hundred twenty-three million, five hundred five thousand, one hundred twenty-two".