12377765642 has 16 divisors (see below), whose sum is σ = 20597824800. Its totient is φ = 5530896240.

The previous prime is 12377765639. The next prime is 12377765663. The reversal of 12377765642 is 24656777321.

12377765642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 4766717 + ... + 4769312.

It is an arithmetic number, because the mean of its divisors is an integer number (1287364050).

Almost surely, 2^12377765642 is an apocalyptic number.

12377765642 is a deficient number, since it is larger than the sum of its proper divisors (8220059158).

12377765642 is a wasteful number, since it uses less digits than its factorization.

12377765642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9536101.

The product of its digits is 2963520, while the sum is 50.

The spelling of 12377765642 in words is "twelve billion, three hundred seventy-seven million, seven hundred sixty-five thousand, six hundred forty-two".