12197214436 has 24 divisors (see below), whose sum is σ = 23293761120. Its totient is φ = 5542243200.

The previous prime is 12197214427. The next prime is 12197214437. The reversal of 12197214436 is 63441279121.

It is not an unprimeable number, because it can be changed into a prime (12197214437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82156 + ... + 176476.

It is an arithmetic number, because the mean of its divisors is an integer number (970573380).

Almost surely, 2^12197214436 is an apocalyptic number.

It is an amenable number.

12197214436 is a deficient number, since it is larger than the sum of its proper divisors (11096546684).

12197214436 is a wasteful number, since it uses less digits than its factorization.

12197214436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97275 (or 97273 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The spelling of 12197214436 in words is "twelve billion, one hundred ninety-seven million, two hundred fourteen thousand, four hundred thirty-six".