201693812 has 24 divisors (see below), whose sum is σ = 365111040. Its totient is φ = 97390080.

The previous prime is 201693809. The next prime is 201693827. The reversal of 201693812 is 218396102.

201693812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70139 + ... + 72957.

It is an arithmetic number, because the mean of its divisors is an integer number (15212960).

Almost surely, 2^201693812 is an apocalyptic number.

It is an amenable number.

201693812 is a deficient number, since it is larger than the sum of its proper divisors (163417228).

201693812 is a wasteful number, since it uses less digits than its factorization.

201693812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431 (or 3429 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 201693812 is about 14201.8946623329. The cubic root of 201693812 is about 586.4498210008.

The spelling of 201693812 in words is "two hundred one million, six hundred ninety-three thousand, eight hundred twelve".