12277578781702 has 24 divisors (see below), whose sum is σ = 20585274310080. Its totient is φ = 5483782081440.

The previous prime is 12277578781681. The next prime is 12277578781763. The reversal of 12277578781702 is 20718787577221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 585863677 + ... + 585884632.

It is an arithmetic number, because the mean of its divisors is an integer number (857719762920).

Almost surely, 2^{12277578781702} is an apocalyptic number.

12277578781702 is a deficient number, since it is larger than the sum of its proper divisors (8307695528378).

12277578781702 is a wasteful number, since it uses less digits than its factorization.

12277578781702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171748368 (or 1171748355 counting only the distinct ones).

The product of its (nonzero) digits is 43025920, while the sum is 64.

The spelling of 12277578781702 in words is "twelve trillion, two hundred seventy-seven billion, five hundred seventy-eight million, seven hundred eighty-one thousand, seven hundred two".