12378431036 has 24 divisors (see below), whose sum is σ = 21834729840. Its totient is φ = 6140131200.

The previous prime is 12378430979. The next prime is 12378431041. The reversal of 12378431036 is 63013487321.

It is a super-3 number, since 3×12378431036³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233351 + ... + 281441.

It is an arithmetic number, because the mean of its divisors is an integer number (909780410).

Almost surely, 2^12378431036 is an apocalyptic number.

It is an amenable number.

12378431036 is a deficient number, since it is larger than the sum of its proper divisors (9456298804).

12378431036 is a wasteful number, since it uses less digits than its factorization.

12378431036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48605 (or 48603 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 12378431036 in words is "twelve billion, three hundred seventy-eight million, four hundred thirty-one thousand, thirty-six".