213203134212 has 36 divisors (see below), whose sum is σ = 528458526960. Its totient is φ = 66887256704.

The previous prime is 213203134211. The next prime is 213203134217. The reversal of 213203134212 is 212431302312.

213203134212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213203134211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30735162 + ... + 30742097.

Almost surely, 2^213203134212 is an apocalyptic number.

It is an amenable number.

213203134212 is an abundant number, since it is smaller than the sum of its proper divisors (315255392748).

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

213203134212 is a wasteful number, since it uses less digits than its factorization.

213203134212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61477300 (or 61477281 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213203134212 its reverse (212431302312), we get a palindrome (425634436524).

The spelling of 213203134212 in words is "two hundred thirteen billion, two hundred three million, one hundred thirty-four thousand, two hundred twelve".