12122311100023 has 16 divisors (see below), whose sum is σ = 12577531478400. Its totient is φ = 11669606448640.

The previous prime is 12122311099999. The next prime is 12122311100069. The reversal of 12122311100023 is 32000111322121.

It is a cyclic number.

It is not a de Polignac number, because 12122311100023 - 2²⁵ = 12122277545591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122311100083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19098693 + ... + 19723201.

It is an arithmetic number, because the mean of its divisors is an integer number (786095717400).

Almost surely, 2^{12122311100023} is an apocalyptic number.

12122311100023 is a deficient number, since it is larger than the sum of its proper divisors (455220378377).

12122311100023 is a wasteful number, since it uses less digits than its factorization.

12122311100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626522.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12122311100023 its reverse (32000111322121), we get a palindrome (44122422422144).

The spelling of 12122311100023 in words is "twelve trillion, one hundred twenty-two billion, three hundred eleven million, one hundred thousand, twenty-three".