12055477407818 has 32 divisors (see below), whose sum is σ = 19497026191104. Its totient is φ = 5557557912192.

The previous prime is 12055477407749. The next prime is 12055477407821. The reversal of 12055477407818 is 81870477455021.

12055477407818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12055477407818² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77093246 + ... + 77249462.

It is an arithmetic number, because the mean of its divisors is an integer number (609282068472).

Almost surely, 2^{12055477407818} is an apocalyptic number.

12055477407818 is a deficient number, since it is larger than the sum of its proper divisors (7441548783286).

12055477407818 is a wasteful number, since it uses less digits than its factorization.

12055477407818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159686.

The product of its (nonzero) digits is 17561600, while the sum is 59.

The spelling of 12055477407818 in words is "twelve trillion, fifty-five billion, four hundred seventy-seven million, four hundred seven thousand, eight hundred eighteen".