199130217272 has 16 divisors (see below), whose sum is σ = 426707608560. Its totient is φ = 85341521664.

The previous prime is 199130217263. The next prime is 199130217317. The reversal of 199130217272 is 272712031991.

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, 1777948313 + ... + 1777948424.

It is an arithmetic number, because the mean of its divisors is an integer number (26669225535).

Almost surely, 2^199130217272 is an apocalyptic number.

It is an amenable number.

199130217272 is an abundant number, since it is smaller than the sum of its proper divisors (227577391288).

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

199130217272 is a wasteful number, since it uses less digits than its factorization.

199130217272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555896750 (or 3555896746 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 44.

The spelling of 199130217272 in words is "one hundred ninety-nine billion, one hundred thirty million, two hundred seventeen thousand, two hundred seventy-two".