12220023231204 has 12 divisors (see below), whose sum is σ = 28513387539504. Its totient is φ = 4073341077064.

The previous prime is 12220023231137. The next prime is 12220023231253. The reversal of 12220023231204 is 40213232002221.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509167634622 + ... + 509167634645.

It is an arithmetic number, because the mean of its divisors is an integer number (2376115628292).

Almost surely, 2^{12220023231204} is an apocalyptic number.

It is an amenable number.

12220023231204 is an abundant number, since it is smaller than the sum of its proper divisors (16293364308300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220023231204 is a wasteful number, since it uses less digits than its factorization.

12220023231204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018335269274 (or 1018335269272 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12220023231204 its reverse (40213232002221), we get a palindrome (52433255233425).

The spelling of 12220023231204 in words is "twelve trillion, two hundred twenty billion, twenty-three million, two hundred thirty-one thousand, two hundred four".