123212011230013 has 16 divisors (see below), whose sum is σ = 125713327613440. Its totient is φ = 120731055356736.

The previous prime is 123212011230001. The next prime is 123212011230031. The reversal of 123212011230013 is 310032110212321.

It is a cyclic number.

It is not a de Polignac number, because 123212011230013 - 2⁵ = 123212011229981 is a prime.

It is a super-2 number, since 2×123212011230013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123212011230613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15148723 + ... + 21815311.

It is an arithmetic number, because the mean of its divisors is an integer number (7857082975840).

Almost surely, 2^{123212011230013} is an apocalyptic number.

It is an amenable number.

123212011230013 is a deficient number, since it is larger than the sum of its proper divisors (2501316383427).

123212011230013 is a wasteful number, since it uses less digits than its factorization.

123212011230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668116.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 123212011230013 its reverse (310032110212321), we get a palindrome (433244121442334).

The spelling of 123212011230013 in words is "one hundred twenty-three trillion, two hundred twelve billion, eleven million, two hundred thirty thousand, thirteen".