199620028312 has 16 divisors (see below), whose sum is σ = 386361345600. Its totient is φ = 96590336160.

The previous prime is 199620028303. The next prime is 199620028313. The reversal of 199620028312 is 213820026991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199620028313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402459487 + ... + 402459982.

It is an arithmetic number, because the mean of its divisors is an integer number (24147584100).

Almost surely, 2^199620028312 is an apocalyptic number.

It is an amenable number.

199620028312 is a deficient number, since it is larger than the sum of its proper divisors (186741317288).

199620028312 is a wasteful number, since it uses less digits than its factorization.

199620028312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804919506 (or 804919502 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 199620028312 in words is "one hundred ninety-nine billion, six hundred twenty million, twenty-eight thousand, three hundred twelve".