12197889792 has 360 divisors, whose sum is σ = 40467152880. Its totient is φ = 3622993920.

The previous prime is 12197889791. The next prime is 12197889797. The reversal of 12197889792 is 29798879121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12197889791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12088584 + ... + 12089592.

It is an arithmetic number, because the mean of its divisors is an integer number (112408758).

Almost surely, 2^12197889792 is an apocalyptic number.

12197889792 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 12197889792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20233576440).

12197889792 is an abundant number, since it is smaller than the sum of its proper divisors (28269263088).

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

12197889792 is a wasteful number, since it uses less digits than its factorization.

12197889792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1078 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 63.

The spelling of 12197889792 in words is "twelve billion, one hundred ninety-seven million, eight hundred eighty-nine thousand, seven hundred ninety-two".