12195713712 has 160 divisors (see below), whose sum is σ = 39722457600. Its totient is φ = 3137955840.

The previous prime is 12195713669. The next prime is 12195713773. The reversal of 12195713712 is 21731759121.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 145039 + ... + 213137.

It is an arithmetic number, because the mean of its divisors is an integer number (248265360).

Almost surely, 2^12195713712 is an apocalyptic number.

12195713712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12195713712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19861228800).

12195713712 is an abundant number, since it is smaller than the sum of its proper divisors (27526743888).

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

12195713712 is a wasteful number, since it uses less digits than its factorization.

12195713712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68171 (or 68165 counting only the distinct ones).

The product of its digits is 26460, while the sum is 39.

The spelling of 12195713712 in words is "twelve billion, one hundred ninety-five million, seven hundred thirteen thousand, seven hundred twelve".