199220145512 has 16 divisors (see below), whose sum is σ = 376011535200. Its totient is φ = 98950402800.

The previous prime is 199220145503. The next prime is 199220145529. The reversal of 199220145512 is 215541022991.

It is a self number, because there is not a number n which added to its sum of digits gives 199220145512.

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, 82457462 + ... + 82459877.

It is an arithmetic number, because the mean of its divisors is an integer number (23500720950).

Almost surely, 2^199220145512 is an apocalyptic number.

It is an amenable number.

199220145512 is a deficient number, since it is larger than the sum of its proper divisors (176791389688).

199220145512 is a wasteful number, since it uses less digits than its factorization.

199220145512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164917496 (or 164917492 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 199220145512 in words is "one hundred ninety-nine billion, two hundred twenty million, one hundred forty-five thousand, five hundred twelve".