213000133232 has 40 divisors (see below), whose sum is σ = 435653106000. Its totient is φ = 100605652992.

The previous prime is 213000133189. The next prime is 213000133261. The reversal of 213000133232 is 232331000312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897713 + ... + 1109904.

It is an arithmetic number, because the mean of its divisors is an integer number (10891327650).

Almost surely, 2^213000133232 is an apocalyptic number.

It is an amenable number.

213000133232 is an abundant number, since it is smaller than the sum of its proper divisors (222652972768).

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

213000133232 is a wasteful number, since it uses less digits than its factorization.

213000133232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007993 (or 2007987 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213000133232 its reverse (232331000312), we get a palindrome (445331133544).

The spelling of 213000133232 in words is "two hundred thirteen billion, one hundred thirty-three thousand, two hundred thirty-two".