213133113012 has 24 divisors (see below), whose sum is σ = 497331971136. Its totient is φ = 71041317568.

The previous prime is 213133112987. The next prime is 213133113019. The reversal of 213133113012 is 210311331312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 213133113012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213133113019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81393 + ... + 657944.

It is an arithmetic number, because the mean of its divisors is an integer number (20722165464).

Almost surely, 2^213133113012 is an apocalyptic number.

It is an amenable number.

213133113012 is an abundant number, since it is smaller than the sum of its proper divisors (284198858124).

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

213133113012 is a wasteful number, since it uses less digits than its factorization.

213133113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763367 (or 763365 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213133113012 its reverse (210311331312), we get a palindrome (423444444324).

The spelling of 213133113012 in words is "two hundred thirteen billion, one hundred thirty-three million, one hundred thirteen thousand, twelve".