12171144760 has 32 divisors (see below), whose sum is σ = 27409692960. Its totient is φ = 4864081536.

The previous prime is 12171144757. The next prime is 12171144767. The reversal of 12171144760 is 6744117121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12171144767) 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 7 ways as a sum of consecutive naturals, for example, 91524 + ... + 180883.

It is an arithmetic number, because the mean of its divisors is an integer number (856552905).

Almost surely, 2^12171144760 is an apocalyptic number.

12171144760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12171144760 is an abundant number, since it is smaller than the sum of its proper divisors (15238548200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12171144760 is a wasteful number, since it uses less digits than its factorization.

12171144760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273535 (or 273531 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The spelling of 12171144760 in words is "twelve billion, one hundred seventy-one million, one hundred forty-four thousand, seven hundred sixty".