213221402132 has 12 divisors (see below), whose sum is σ = 374027999520. Its totient is φ = 106356259416.

The previous prime is 213221402117. The next prime is 213221402183. The reversal of 213221402132 is 231204122312.

213221402132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213221402098 and 213221402107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63608528 + ... + 63611879.

It is an arithmetic number, because the mean of its divisors is an integer number (31168999960).

Almost surely, 2^213221402132 is an apocalyptic number.

It is an amenable number.

213221402132 is a deficient number, since it is larger than the sum of its proper divisors (160806597388).

213221402132 is a wasteful number, since it uses less digits than its factorization.

213221402132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127220830 (or 127220828 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 213221402132 its reverse (231204122312), we get a palindrome (444425524444).

The spelling of 213221402132 in words is "two hundred thirteen billion, two hundred twenty-one million, four hundred two thousand, one hundred thirty-two".