12177400113 has 20 divisors (see below), whose sum is σ = 18195302400. Its totient is φ = 8116315992.

The previous prime is 12177400111. The next prime is 12177400127. The reversal of 12177400113 is 31100477121.

It is not a de Polignac number, because 12177400113 - 2¹ = 12177400111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12177400111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 373056 + ... + 404382.

It is an arithmetic number, because the mean of its divisors is an integer number (909765120).

Almost surely, 2^12177400113 is an apocalyptic number.

It is an amenable number.

12177400113 is a deficient number, since it is larger than the sum of its proper divisors (6017902287).

12177400113 is an equidigital number, since it uses as much as digits as its factorization.

12177400113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36138 (or 36129 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

Adding to 12177400113 its reverse (31100477121), we get a palindrome (43277877234).

The spelling of 12177400113 in words is "twelve billion, one hundred seventy-seven million, four hundred thousand, one hundred thirteen".