12147463800 has 288 divisors, whose sum is σ = 44812310400. Its totient is φ = 2935215360.

The previous prime is 12147463799. The next prime is 12147463831. The reversal of 12147463800 is 836474121.

12147463800 is a `hidden beast` number, since 1 + 2 + 14 + 7 + 4 + 638 + 0 + 0 = 666.

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, 778879 + ... + 794321.

It is an arithmetic number, because the mean of its divisors is an integer number (155598300).

Almost surely, 2^12147463800 is an apocalyptic number.

12147463800 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 12147463800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22406155200).

12147463800 is an abundant number, since it is smaller than the sum of its proper divisors (32664846600).

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

12147463800 is a wasteful number, since it uses less digits than its factorization.

12147463800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15507 (or 15495 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 12147463800 in words is "twelve billion, one hundred forty-seven million, four hundred sixty-three thousand, eight hundred".