12255452316 has 108 divisors (see below), whose sum is σ = 32477353272. Its totient is φ = 3895963008.

The previous prime is 12255452203. The next prime is 12255452323. The reversal of 12255452316 is 61325455221.

12255452316 is a `hidden beast` number, since 1 + 22 + 554 + 52 + 31 + 6 = 666.

It is a super-2 number, since 2×12255452316² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2510470 + ... + 2515346.

It is an arithmetic number, because the mean of its divisors is an integer number (300716234).

Almost surely, 2^12255452316 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 12255452316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16238676636).

12255452316 is an abundant number, since it is smaller than the sum of its proper divisors (20221900956).

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

12255452316 is a wasteful number, since it uses less digits than its factorization.

12255452316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028 (or 4994 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 12255452316 in words is "twelve billion, two hundred fifty-five million, four hundred fifty-two thousand, three hundred sixteen".