12188058477 has 16 divisors (see below), whose sum is σ = 18576446592. Its totient is φ = 6963042240.

The previous prime is 12188058461. The next prime is 12188058511. The reversal of 12188058477 is 77485088121.

It is not a de Polignac number, because 12188058477 - 2⁴ = 12188058461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12188058437) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34243 + ... + 159839.

It is an arithmetic number, because the mean of its divisors is an integer number (1161027912).

Almost surely, 2^12188058477 is an apocalyptic number.

It is an amenable number.

12188058477 is a deficient number, since it is larger than the sum of its proper divisors (6388388115).

12188058477 is a wasteful number, since it uses less digits than its factorization.

12188058477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130228.

The product of its (nonzero) digits is 1003520, while the sum is 51.

The spelling of 12188058477 in words is "twelve billion, one hundred eighty-eight million, fifty-eight thousand, four hundred seventy-seven".