12254620356 has 192 divisors, whose sum is σ = 35533209600. Its totient is φ = 3620822400.

The previous prime is 12254620331. The next prime is 12254620379. The reversal of 12254620356 is 65302645221.

12254620356 is a `hidden beast` number, since 1 + 2 + 25 + 4 + 620 + 3 + 5 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12254620356.

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, 12025615 + ... + 12026633.

It is an arithmetic number, because the mean of its divisors is an integer number (185068800).

Almost surely, 2^12254620356 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 12254620356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17766604800).

12254620356 is an abundant number, since it is smaller than the sum of its proper divisors (23278589244).

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

12254620356 is a wasteful number, since it uses less digits than its factorization.

12254620356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 12254620356 in words is "twelve billion, two hundred fifty-four million, six hundred twenty thousand, three hundred fifty-six".