12177887701 has 8 divisors (see below), whose sum is σ = 13939102080. Its totient is φ = 10422052368.

The previous prime is 12177887677. The next prime is 12177887707. The reversal of 12177887701 is 10778877121.

It is a happy number.

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

It is not a de Polignac number, because 12177887701 - 2¹⁵ = 12177854933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12177887707) 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, 1339906 + ... + 1348963.

It is an arithmetic number, because the mean of its divisors is an integer number (1742387760).

Almost surely, 2^12177887701 is an apocalyptic number.

It is an amenable number.

12177887701 is a deficient number, since it is larger than the sum of its proper divisors (1761214379).

12177887701 is an equidigital number, since it uses as much as digits as its factorization.

12177887701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689523.

The product of its (nonzero) digits is 307328, while the sum is 49.

The spelling of 12177887701 in words is "twelve billion, one hundred seventy-seven million, eight hundred eighty-seven thousand, seven hundred one".