213230202012 has 36 divisors (see below), whose sum is σ = 539481209176. Its totient is φ = 71013088800.

The previous prime is 213230201917. The next prime is 213230202061. The reversal of 213230202012 is 210202032312.

213230202012 is a `hidden beast` number, since 213 + 230 + 20 + 201 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2611114 + ... + 2691537.

Almost surely, 2^213230202012 is an apocalyptic number.

It is an amenable number.

213230202012 is an abundant number, since it is smaller than the sum of its proper divisors (326251007164).

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

213230202012 is a wasteful number, since it uses less digits than its factorization.

213230202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303778 (or 5303773 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 213230202012 its reverse (210202032312), we get a palindrome (423432234324).

The spelling of 213230202012 in words is "two hundred thirteen billion, two hundred thirty million, two hundred two thousand, twelve".