12195840471832 has 32 divisors (see below), whose sum is σ = 24212492172720. Its totient is φ = 5739180687360.

The previous prime is 12195840471797. The next prime is 12195840471833. The reversal of 12195840471832 is 23817404859121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12195840471833) 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, 39054232 + ... + 39365272.

Almost surely, 2^{12195840471832} is an apocalyptic number.

It is an amenable number.

12195840471832 is a deficient number, since it is larger than the sum of its proper divisors (12016651700888).

12195840471832 is a wasteful number, since it uses less digits than its factorization.

12195840471832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599371 (or 599367 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 12195840471832 in words is "twelve trillion, one hundred ninety-five billion, eight hundred forty million, four hundred seventy-one thousand, eight hundred thirty-two".