12197445504 has 256 divisors, whose sum is σ = 35512320000. Its totient is φ = 3695155200.

The previous prime is 12197445479. The next prime is 12197445527. The reversal of 12197445504 is 40554479121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45008889 + ... + 45009159.

It is an arithmetic number, because the mean of its divisors is an integer number (138720000).

Almost surely, 2^12197445504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12197445504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17756160000).

12197445504 is an abundant number, since it is smaller than the sum of its proper divisors (23314874496).

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

12197445504 is a wasteful number, since it uses less digits than its factorization.

12197445504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 12197445504 in words is "twelve billion, one hundred ninety-seven million, four hundred forty-five thousand, five hundred four".