12171193084 has 24 divisors (see below), whose sum is σ = 22342053888. Its totient is φ = 5790520560.

The previous prime is 12171193081. The next prime is 12171193117. The reversal of 12171193084 is 48039117121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12171193081) 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, 328752 + ... + 363895.

It is an arithmetic number, because the mean of its divisors is an integer number (930918912).

Almost surely, 2^12171193084 is an apocalyptic number.

It is an amenable number.

12171193084 is a deficient number, since it is larger than the sum of its proper divisors (10170860804).

12171193084 is a wasteful number, since it uses less digits than its factorization.

12171193084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692865 (or 692863 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 12171193084 in words is "twelve billion, one hundred seventy-one million, one hundred ninety-three thousand, eighty-four".