12077216755 has 8 divisors (see below), whose sum is σ = 15345169632. Its totient is φ = 9093433728.

The previous prime is 12077216611. The next prime is 12077216759. The reversal of 12077216755 is 55761277021.

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

It is a cyclic number.

It is not a de Polignac number, because 12077216755 - 2⁹ = 12077216243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12077216759) 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, 71042367 + ... + 71042536.

It is an arithmetic number, because the mean of its divisors is an integer number (1918146204).

Almost surely, 2^12077216755 is an apocalyptic number.

12077216755 is a deficient number, since it is larger than the sum of its proper divisors (3267952877).

12077216755 is a wasteful number, since it uses less digits than its factorization.

12077216755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142084925.

The product of its (nonzero) digits is 205800, while the sum is 43.

The spelling of 12077216755 in words is "twelve billion, seventy-seven million, two hundred sixteen thousand, seven hundred fifty-five".