12304091520 has 384 divisors, whose sum is σ = 48742274880. Its totient is φ = 2801664000.

The previous prime is 12304091461. The next prime is 12304091533. The reversal of 12304091520 is 2519040321.

12304091520 is a `hidden beast` number, since 1 + 230 + 409 + 1 + 5 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16167940 + ... + 16168700.

Almost surely, 2^12304091520 is an apocalyptic number.

12304091520 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 12304091520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24371137440).

12304091520 is an abundant number, since it is smaller than the sum of its proper divisors (36438183360).

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

12304091520 is a wasteful number, since it uses less digits than its factorization.

12304091520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 12304091520 in words is "twelve billion, three hundred four million, ninety-one thousand, five hundred twenty".