12152439900 has 216 divisors, whose sum is σ = 40698228480. Its totient is φ = 3023982720.

The previous prime is 12152439899. The next prime is 12152439911. The reversal of 12152439900 is 993425121.

12152439900 is a `hidden beast` number, since 1 + 215 + 2 + 439 + 9 + 0 + 0 = 666.

It is a super-2 number, since 2×12152439900² (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 71 ways as a sum of consecutive naturals, for example, 1140397 + ... + 1151003.

Almost surely, 2^12152439900 is an apocalyptic number.

12152439900 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 12152439900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20349114240).

12152439900 is an abundant number, since it is smaller than the sum of its proper divisors (28545788580).

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

12152439900 is a wasteful number, since it uses less digits than its factorization.

12152439900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10713 (or 10703 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 12152439900 in words is "twelve billion, one hundred fifty-two million, four hundred thirty-nine thousand, nine hundred".