12115642302 has 24 divisors (see below), whose sum is σ = 26566833384. Its totient is φ = 3989889744.

The previous prime is 12115642291. The next prime is 12115642321. The reversal of 12115642302 is 20324651121.

12115642302 is a `hidden beast` number, since 1 + 2 + 1 + 15 + 642 + 3 + 0 + 2 = 666.

12115642302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4053273 + ... + 4056260.

It is an arithmetic number, because the mean of its divisors is an integer number (1106951391).

Almost surely, 2^12115642302 is an apocalyptic number.

12115642302 is an abundant number, since it is smaller than the sum of its proper divisors (14451191082).

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

12115642302 is a wasteful number, since it uses less digits than its factorization.

12115642302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8109624 (or 8109621 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 12115642302 in words is "twelve billion, one hundred fifteen million, six hundred forty-two thousand, three hundred two".