12373107978456 has 96 divisors (see below), whose sum is σ = 33747944958000. Its totient is φ = 4095166014720.

The previous prime is 12373107978409. The next prime is 12373107978463. The reversal of 12373107978456 is 65487970137321.

12373107978456 is a `hidden beast` number, since 1 + 2 + 3 + 7 + 3 + 107 + 9 + 78 + 456 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12373107978393 and 12373107978402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28827666 + ... + 29253726.

It is a 1-persistent number, because it is pandigital, but 2⋅12373107978456 = 24746215956912 is not.

Almost surely, 2^{12373107978456} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12373107978456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16873972479000).

12373107978456 is an abundant number, since it is smaller than the sum of its proper divisors (21374836979544).

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

12373107978456 is a wasteful number, since it uses less digits than its factorization.

12373107978456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428929 (or 428922 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 12373107978456 in words is "twelve trillion, three hundred seventy-three billion, one hundred seven million, nine hundred seventy-eight thousand, four hundred fifty-six".