12197205974 has 4 divisors (see below), whose sum is σ = 18295808964. Its totient is φ = 6098602986.

The previous prime is 12197205973. The next prime is 12197205997. The reversal of 12197205974 is 47950279121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47950279121 = 6037 ⋅7942733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12197205973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3049301492 + ... + 3049301495.

It is an arithmetic number, because the mean of its divisors is an integer number (4573952241).

Almost surely, 2^12197205974 is an apocalyptic number.

12197205974 is a deficient number, since it is larger than the sum of its proper divisors (6098602990).

12197205974 is an equidigital number, since it uses as much as digits as its factorization.

12197205974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098602989.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 12197205974 in words is "twelve billion, one hundred ninety-seven million, two hundred five thousand, nine hundred seventy-four".