12599294400 has 756 divisors, whose sum is σ = 56308107856. Its totient is φ = 2615500800.

The previous prime is 12599294347. The next prime is 12599294423. The reversal of 12599294400 is 449299521.

12599294400 is a `hidden beast` number, since 12 + 599 + 2 + 9 + 4 + 40 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 12196284 + ... + 12197316.

Almost surely, 2^12599294400 is an apocalyptic number.

12599294400 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 12599294400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28154053928).

12599294400 is an abundant number, since it is smaller than the sum of its proper divisors (43708813456).

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

12599294400 is a wasteful number, since it uses less digits than its factorization.

12599294400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 12599294400 in words is "twelve billion, five hundred ninety-nine million, two hundred ninety-four thousand, four hundred".