12412197118 has 4 divisors (see below), whose sum is σ = 18618295680. Its totient is φ = 6206098558.

The previous prime is 12412197103. The next prime is 12412197137. The reversal of 12412197118 is 81179121421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81179121421 = 29 ⋅2799280049.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3103049278 + ... + 3103049281.

It is an arithmetic number, because the mean of its divisors is an integer number (4654573920).

Almost surely, 2^12412197118 is an apocalyptic number.

12412197118 is a deficient number, since it is larger than the sum of its proper divisors (6206098562).

12412197118 is an equidigital number, since it uses as much as digits as its factorization.

12412197118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206098561.

The product of its digits is 8064, while the sum is 37.

The spelling of 12412197118 in words is "twelve billion, four hundred twelve million, one hundred ninety-seven thousand, one hundred eighteen".