213201312132 has 12 divisors (see below), whose sum is σ = 497469728336. Its totient is φ = 71067104040.

The previous prime is 213201312127. The next prime is 213201312133. The reversal of 213201312132 is 231213102312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 213201312099 and 213201312108.

It is not an unprimeable number, because it can be changed into a prime (213201312133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8883387994 + ... + 8883388017.

Almost surely, 2^213201312132 is an apocalyptic number.

It is an amenable number.

213201312132 is an abundant number, since it is smaller than the sum of its proper divisors (284268416204).

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

213201312132 is a wasteful number, since it uses less digits than its factorization.

213201312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17766776018 (or 17766776016 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213201312132 its reverse (231213102312), we get a palindrome (444414414444).

The spelling of 213201312132 in words is "two hundred thirteen billion, two hundred one million, three hundred twelve thousand, one hundred thirty-two".