12338420236 has 12 divisors (see below), whose sum is σ = 22288759360. Its totient is φ = 5970203280.

The previous prime is 12338420221. The next prime is 12338420261. The reversal of 12338420236 is 63202483321.

It is a super-2 number, since 2×12338420236² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49751571 + ... + 49751818.

Almost surely, 2^12338420236 is an apocalyptic number.

It is an amenable number.

12338420236 is a deficient number, since it is larger than the sum of its proper divisors (9950339124).

12338420236 is a wasteful number, since it uses less digits than its factorization.

12338420236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99503424 (or 99503422 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 12338420236 in words is "twelve billion, three hundred thirty-eight million, four hundred twenty thousand, two hundred thirty-six".