12196718234 has 4 divisors (see below), whose sum is σ = 18295077354. Its totient is φ = 6098359116.

The previous prime is 12196718207. The next prime is 12196718251. The reversal of 12196718234 is 43281769121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10941787609 + 1254930625 = 104603^2 + 35425^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3049179557 + ... + 3049179560.

Almost surely, 2^12196718234 is an apocalyptic number.

12196718234 is a deficient number, since it is larger than the sum of its proper divisors (6098359120).

12196718234 is an equidigital number, since it uses as much as digits as its factorization.

12196718234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098359119.

The product of its digits is 145152, while the sum is 44.

The spelling of 12196718234 in words is "twelve billion, one hundred ninety-six million, seven hundred eighteen thousand, two hundred thirty-four".