12162776198 has 8 divisors (see below), whose sum is σ = 18689144040. Its totient is φ = 5933061520.

The previous prime is 12162776173. The next prime is 12162776207. The reversal of 12162776198 is 89167726121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74163188 + ... + 74163351.

It is an arithmetic number, because the mean of its divisors is an integer number (2336143005).

Almost surely, 2^12162776198 is an apocalyptic number.

12162776198 is a deficient number, since it is larger than the sum of its proper divisors (6526367842).

12162776198 is a wasteful number, since it uses less digits than its factorization.

12162776198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148326582.

The product of its digits is 508032, while the sum is 50.

The spelling of 12162776198 in words is "twelve billion, one hundred sixty-two million, seven hundred seventy-six thousand, one hundred ninety-eight".