198325012 has 6 divisors (see below), whose sum is σ = 347068778. Its totient is φ = 99162504.

The previous prime is 198324979. The next prime is 198325031. The reversal of 198325012 is 210523891.

It can be written as a sum of positive squares in only one way, i.e., 171243396 + 27081616 = 13086^2 + 5204^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24790623 + ... + 24790630.

Almost surely, 2^198325012 is an apocalyptic number.

It is an amenable number.

198325012 is a deficient number, since it is larger than the sum of its proper divisors (148743766).

198325012 is a wasteful number, since it uses less digits than its factorization.

198325012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49581257 (or 49581255 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 198325012 is about 14082.7913426281. The cubic root of 198325012 is about 583.1664038996.

The spelling of 198325012 in words is "one hundred ninety-eight million, three hundred twenty-five thousand, twelve".