123310013122 has 16 divisors (see below), whose sum is σ = 191359193400. Its totient is φ = 59523972480.

The previous prime is 123310013107. The next prime is 123310013143. The reversal of 123310013122 is 221310013321.

It can be written as a sum of positive squares in 4 ways, for example, as 121075465681 + 2234547441 = 347959^2 + 47271^2 .

It is a super-2 number, since 2×123310013122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123310013122.

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, 661222 + ... + 826942.

Almost surely, 2^123310013122 is an apocalyptic number.

123310013122 is a deficient number, since it is larger than the sum of its proper divisors (68049180278).

123310013122 is a wasteful number, since it uses less digits than its factorization.

123310013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178581.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123310013122 its reverse (221310013321), we get a palindrome (344620026443).

The spelling of 123310013122 in words is "one hundred twenty-three billion, three hundred ten million, thirteen thousand, one hundred twenty-two".