12152705777 has 8 divisors (see below), whose sum is σ = 12557732352. Its totient is φ = 11748492000.

The previous prime is 12152705771. The next prime is 12152705779. The reversal of 12152705777 is 77750725121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12152705777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12152705771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172724 + ... + 232677.

It is an arithmetic number, because the mean of its divisors is an integer number (1569716544).

Almost surely, 2^12152705777 is an apocalyptic number.

It is an amenable number.

12152705777 is a deficient number, since it is larger than the sum of its proper divisors (405026575).

12152705777 is an equidigital number, since it uses as much as digits as its factorization.

12152705777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406399.

The product of its (nonzero) digits is 240100, while the sum is 44.

The spelling of 12152705777 in words is "twelve billion, one hundred fifty-two million, seven hundred five thousand, seven hundred seventy-seven".