213074812 has 6 divisors (see below), whose sum is σ = 372880928. Its totient is φ = 106537404.

The previous prime is 213074801. The next prime is 213074819. The reversal of 213074812 is 218470312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213074819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26634348 + ... + 26634355.

Almost surely, 2^213074812 is an apocalyptic number.

It is an amenable number.

213074812 is a deficient number, since it is larger than the sum of its proper divisors (159806116).

213074812 is a wasteful number, since it uses less digits than its factorization.

213074812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53268707 (or 53268705 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 213074812 is about 14597.0823112018. The cubic root of 213074812 is about 597.2791730774.

The spelling of 213074812 in words is "two hundred thirteen million, seventy-four thousand, eight hundred twelve".