12453255325320 has 256 divisors, whose sum is σ = 38708243712000. Its totient is φ = 3201820876800.

The previous prime is 12453255325309. The next prime is 12453255325337. The reversal of 12453255325320 is 2352355235421.

It is a super-2 number, since 2×12453255325320² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1266986166 + ... + 1266995994.

It is an arithmetic number, because the mean of its divisors is an integer number (151204077000).

Almost surely, 2^{12453255325320} is an apocalyptic number.

12453255325320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12453255325320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19354121856000).

12453255325320 is an abundant number, since it is smaller than the sum of its proper divisors (26254988386680).

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

12453255325320 is a wasteful number, since it uses less digits than its factorization.

12453255325320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11104 (or 11100 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 42.

The spelling of 12453255325320 in words is "twelve trillion, four hundred fifty-three billion, two hundred fifty-five million, three hundred twenty-five thousand, three hundred twenty".