12312233198 has 4 divisors (see below), whose sum is σ = 18468349800. Its totient is φ = 6156116598.

The previous prime is 12312233189. The next prime is 12312233239. The reversal of 12312233198 is 89133221321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89133221321 = 48847 ⋅1824743.

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, 3078058298 + ... + 3078058301.

It is an arithmetic number, because the mean of its divisors is an integer number (4617087450).

Almost surely, 2^12312233198 is an apocalyptic number.

12312233198 is a deficient number, since it is larger than the sum of its proper divisors (6156116602).

12312233198 is an equidigital number, since it uses as much as digits as its factorization.

12312233198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156116601.

The product of its digits is 15552, while the sum is 35.

The spelling of 12312233198 in words is "twelve billion, three hundred twelve million, two hundred thirty-three thousand, one hundred ninety-eight".