18830864212 has 48 divisors (see below), whose sum is σ = 34871938192. Its totient is φ = 8887034880.

The previous prime is 18830864207. The next prime is 18830864233. The reversal of 18830864212 is 21246803881.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3024340036 + 15806524176 = 54994^2 + 125724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644758 + ... + 673330.

Almost surely, 2^18830864212 is an apocalyptic number.

It is an amenable number.

18830864212 is a deficient number, since it is larger than the sum of its proper divisors (16041073980).

18830864212 is a wasteful number, since it uses less digits than its factorization.

18830864212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28748 (or 28746 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 18830864212 in words is "eighteen billion, eight hundred thirty million, eight hundred sixty-four thousand, two hundred twelve".