195904012 has 12 divisors (see below), whose sum is σ = 342946576. Its totient is φ = 97919280.

The previous prime is 195903991. The next prime is 195904031. The reversal of 195904012 is 210409591.

It is a super-2 number, since 2×195904012² = 76756763835392288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 9562 + ... + 21982.

Almost surely, 2^195904012 is an apocalyptic number.

It is an amenable number.

195904012 is a deficient number, since it is larger than the sum of its proper divisors (147042564).

195904012 is a wasteful number, since it uses less digits than its factorization.

195904012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16368 (or 16366 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 195904012 is about 13996.5714373199. The cubic root of 195904012 is about 580.7837324090.

The spelling of 195904012 in words is "one hundred ninety-five million, nine hundred four thousand, twelve".