12375021451540 has 48 divisors (see below), whose sum is σ = 28350382132800. Its totient is φ = 4499954945280.

The previous prime is 12375021451537. The next prime is 12375021451577. The reversal of 12375021451540 is 4515412057321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12375021451493 and 12375021451502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21806311 + ... + 22366609.

It is an arithmetic number, because the mean of its divisors is an integer number (590632961100).

Almost surely, 2^{12375021451540} is an apocalyptic number.

12375021451540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12375021451540 is an abundant number, since it is smaller than the sum of its proper divisors (15975360681260).

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

12375021451540 is a wasteful number, since it uses less digits than its factorization.

12375021451540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660712 (or 660710 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 12375021451540 in words is "twelve trillion, three hundred seventy-five billion, twenty-one million, four hundred fifty-one thousand, five hundred forty".