12239894926 has 24 divisors (see below), whose sum is σ = 21553325640. Its totient is φ = 5197539312.

The previous prime is 12239894897. The next prime is 12239894929. The reversal of 12239894926 is 62949893221.

It is a super-3 number, since 3×12239894926³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12239894929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562240 + ... + 583603.

It is an arithmetic number, because the mean of its divisors is an integer number (898055235).

Almost surely, 2^12239894926 is an apocalyptic number.

12239894926 is a deficient number, since it is larger than the sum of its proper divisors (9313430714).

12239894926 is a wasteful number, since it uses less digits than its factorization.

12239894926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145968 (or 1145961 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 55.

The spelling of 12239894926 in words is "twelve billion, two hundred thirty-nine million, eight hundred ninety-four thousand, nine hundred twenty-six".