12213132110123 has 16 divisors (see below), whose sum is σ = 14228562124800. Its totient is φ = 10266920210400.

The previous prime is 12213132110107. The next prime is 12213132110129. The reversal of 12213132110123 is 32101123131221.

It is a happy number.

It is not a de Polignac number, because 12213132110123 - 2⁴ = 12213132110107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213132110129) 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, 64234148 + ... + 64424001.

It is an arithmetic number, because the mean of its divisors is an integer number (889285132800).

Almost surely, 2^{12213132110123} is an apocalyptic number.

12213132110123 is a deficient number, since it is larger than the sum of its proper divisors (2015430014677).

12213132110123 is a wasteful number, since it uses less digits than its factorization.

12213132110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128658418.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12213132110123 its reverse (32101123131221), we get a palindrome (44314255241344).

The spelling of 12213132110123 in words is "twelve trillion, two hundred thirteen billion, one hundred thirty-two million, one hundred ten thousand, one hundred twenty-three".