12257082450 has 162 divisors, whose sum is σ = 35096059791. Its totient is φ = 3066266880.

The previous prime is 12257082449. The next prime is 12257082479. The reversal of 12257082450 is 5428075221.

It is a happy number.

12257082450 is a `hidden beast` number, since 1 + 2 + 2 + 570 + 82 + 4 + 5 + 0 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 7981099569 + 4275982881 = 89337^2 + 65391^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78285.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 39925197 + ... + 39925503.

Almost surely, 2^12257082450 is an apocalyptic number.

12257082450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12257082450

12257082450 is an abundant number, since it is smaller than the sum of its proper divisors (22838977341).

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

12257082450 is a wasteful number, since it uses less digits than its factorization.

12257082450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The spelling of 12257082450 in words is "twelve billion, two hundred fifty-seven million, eighty-two thousand, four hundred fifty".