12403521064480 has 192 divisors, whose sum is σ = 37040370958080. Its totient is φ = 3819414933504.

The previous prime is 12403521064471. The next prime is 12403521064483. The reversal of 12403521064480 is 8446012530421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (12403521064483) 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, 10973310 + ... + 12050749.

It is an arithmetic number, because the mean of its divisors is an integer number (192918598740).

Almost surely, 2^{12403521064480} is an apocalyptic number.

12403521064480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12403521064480 is an abundant number, since it is smaller than the sum of its proper divisors (24636849893600).

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

12403521064480 is a wasteful number, since it uses less digits than its factorization.

12403521064480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23024131 (or 23024123 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 12403521064480 in words is "twelve trillion, four hundred three billion, five hundred twenty-one million, sixty-four thousand, four hundred eighty".