198255100412 has 12 divisors (see below), whose sum is σ = 346996763400. Its totient is φ = 99113168016.

The previous prime is 198255100399. The next prime is 198255100423. The reversal of 198255100412 is 214001552891.

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, 3564503 + ... + 3619694.

It is an arithmetic number, because the mean of its divisors is an integer number (28916396950).

Almost surely, 2^198255100412 is an apocalyptic number.

It is an amenable number.

198255100412 is a deficient number, since it is larger than the sum of its proper divisors (148741662988).

198255100412 is a wasteful number, since it uses less digits than its factorization.

198255100412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7191100 (or 7191098 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 198255100412 in words is "one hundred ninety-eight billion, two hundred fifty-five million, one hundred thousand, four hundred twelve".