12197160520408 has 8 divisors (see below), whose sum is σ = 22869675975780. Its totient is φ = 6098580260200.

The previous prime is 12197160520403. The next prime is 12197160520463. The reversal of 12197160520408 is 80402506179121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12197160520403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762322532518 + ... + 762322532533.

Almost surely, 2^{12197160520408} is an apocalyptic number.

It is an amenable number.

12197160520408 is a deficient number, since it is larger than the sum of its proper divisors (10672515455372).

12197160520408 is a wasteful number, since it uses less digits than its factorization.

12197160520408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524645065057 (or 1524645065053 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

Adding to 12197160520408 its reverse (80402506179121), we get a palindrome (92599666699529).

The spelling of 12197160520408 in words is "twelve trillion, one hundred ninety-seven billion, one hundred sixty million, five hundred twenty thousand, four hundred eight".