199231712 has 24 divisors (see below), whose sum is σ = 392673456. Its totient is φ = 99505152.

The previous prime is 199231709. The next prime is 199231723. The reversal of 199231712 is 217132991.

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, 31088 + ... + 36944.

It is an arithmetic number, because the mean of its divisors is an integer number (16361394).

Almost surely, 2^199231712 is an apocalyptic number.

It is an amenable number.

199231712 is a deficient number, since it is larger than the sum of its proper divisors (193441744).

199231712 is a wasteful number, since it uses less digits than its factorization.

199231712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6930 (or 6922 counting only the distinct ones).

The product of its digits is 6804, while the sum is 35.

The square root of 199231712 is about 14114.9464044324. The cubic root of 199231712 is about 584.0537574834.

The spelling of 199231712 in words is "one hundred ninety-nine million, two hundred thirty-one thousand, seven hundred twelve".