213012304212 has 48 divisors (see below), whose sum is σ = 513899412992. Its totient is φ = 68601479040.

The previous prime is 213012304189. The next prime is 213012304217. The reversal of 213012304212 is 212403210312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213012304217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239023 + ... + 695094.

Almost surely, 2^213012304212 is an apocalyptic number.

It is an amenable number.

213012304212 is an abundant number, since it is smaller than the sum of its proper divisors (300887108780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213012304212 is a wasteful number, since it uses less digits than its factorization.

213012304212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934768 (or 934766 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 213012304212 its reverse (212403210312), we get a palindrome (425415514524).

The spelling of 213012304212 in words is "two hundred thirteen billion, twelve million, three hundred four thousand, two hundred twelve".