12238825881 has 16 divisors (see below), whose sum is σ = 16609544000. Its totient is φ = 8014362048.

The previous prime is 12238825853. The next prime is 12238825939. The reversal of 12238825881 is 18852883221.

It is not a de Polignac number, because 12238825881 - 2¹⁸ = 12238563737 is a prime.

It is a super-2 number, since 2×12238825881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12238825881.

It is not an unprimeable number, because it can be changed into a prime (12238825831) 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, 17086 + ... + 157383.

It is an arithmetic number, because the mean of its divisors is an integer number (1038096500).

Almost surely, 2^12238825881 is an apocalyptic number.

It is an amenable number.

12238825881 is a deficient number, since it is larger than the sum of its proper divisors (4370718119).

12238825881 is a wasteful number, since it uses less digits than its factorization.

12238825881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174888.

The product of its digits is 491520, while the sum is 48.

The spelling of 12238825881 in words is "twelve billion, two hundred thirty-eight million, eight hundred twenty-five thousand, eight hundred eighty-one".