12438408880632 has 128 divisors (see below), whose sum is σ = 35580569587200. Its totient is φ = 3549607446528.

The previous prime is 12438408880631. The next prime is 12438408880633. The reversal of 12438408880632 is 23608880483421.

It is an interprime number because it is at equal distance from previous prime (12438408880631) and next prime (12438408880633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12438408880631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 684586044 + ... + 684604212.

It is an arithmetic number, because the mean of its divisors is an integer number (277973199900).

Almost surely, 2^{12438408880632} is an apocalyptic number.

12438408880632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12438408880632 is an abundant number, since it is smaller than the sum of its proper divisors (23142160706568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12438408880632 is a wasteful number, since it uses less digits than its factorization.

12438408880632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22805 (or 22801 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 57.

The spelling of 12438408880632 in words is "twelve trillion, four hundred thirty-eight billion, four hundred eight million, eight hundred eighty thousand, six hundred thirty-two".