12100613652 has 72 divisors (see below), whose sum is σ = 31755683232. Its totient is φ = 4029069600.

The previous prime is 12100613647. The next prime is 12100613669. The reversal of 12100613652 is 25631600121.

12100613652 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 0 + 6 + 1 + 3 + 652 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 937402 + ... + 950222.

It is an arithmetic number, because the mean of its divisors is an integer number (441051156).

Almost surely, 2^12100613652 is an apocalyptic number.

12100613652 is a gapful number since it is divisible by the number (12) 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 12100613652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15877841616).

12100613652 is an abundant number, since it is smaller than the sum of its proper divisors (19655069580).

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

12100613652 is a wasteful number, since it uses less digits than its factorization.

12100613652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13811 (or 13797 counting only the distinct ones).

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

The spelling of 12100613652 in words is "twelve billion, one hundred million, six hundred thirteen thousand, six hundred fifty-two".