12287247198 has 32 divisors (see below), whose sum is σ = 24777595392. Its totient is φ = 4061988000.

The previous prime is 12287247187. The next prime is 12287247221. The reversal of 12287247198 is 89174278221.

It is a self number, because there is not a number n which added to its sum of digits gives 12287247198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560940 + ... + 582432.

It is an arithmetic number, because the mean of its divisors is an integer number (774299856).

Almost surely, 2^12287247198 is an apocalyptic number.

12287247198 is an abundant number, since it is smaller than the sum of its proper divisors (12490348194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12287247198 is a wasteful number, since it uses less digits than its factorization.

12287247198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22280.

The product of its digits is 903168, while the sum is 51.

The spelling of 12287247198 in words is "twelve billion, two hundred eighty-seven million, two hundred forty-seven thousand, one hundred ninety-eight".