123013300130122 has 4 divisors (see below), whose sum is σ = 184519950195186. Its totient is φ = 61506650065060.

The previous prime is 123013300130113. The next prime is 123013300130153. The reversal of 123013300130122 is 221031003310321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64544047312761 + 58469252817361 = 8033931^2 + 7646519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123013300130093 and 123013300130102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30753325032529 + ... + 30753325032532.

Almost surely, 2^{123013300130122} is an apocalyptic number.

123013300130122 is a deficient number, since it is larger than the sum of its proper divisors (61506650065064).

123013300130122 is an equidigital number, since it uses as much as digits as its factorization.

123013300130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61506650065063.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123013300130122 its reverse (221031003310321), we get a palindrome (344044303440443).

The spelling of 123013300130122 in words is "one hundred twenty-three trillion, thirteen billion, three hundred million, one hundred thirty thousand, one hundred twenty-two".