12239271872 has 14 divisors (see below), whose sum is σ = 24287305248. Its totient is φ = 6119635904.

The previous prime is 12239271871. The next prime is 12239271883. The reversal of 12239271872 is 27817293221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12239271871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95619248 + ... + 95619375.

Almost surely, 2^12239271872 is an apocalyptic number.

It is an amenable number.

12239271872 is a deficient number, since it is larger than the sum of its proper divisors (12048033376).

12239271872 is an equidigital number, since it uses as much as digits as its factorization.

12239271872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191238635 (or 191238625 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The spelling of 12239271872 in words is "twelve billion, two hundred thirty-nine million, two hundred seventy-one thousand, eight hundred seventy-two".