213202221332 has 12 divisors (see below), whose sum is σ = 373111541460. Its totient is φ = 106598923776.

The previous prime is 213202221319. The next prime is 213202221361. The reversal of 213202221332 is 233122202312.

213202221332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 118415821456 + 94786399876 = 344116^2 + 307874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213202221298 and 213202221307.

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, 316607 + ... + 725702.

It is an arithmetic number, because the mean of its divisors is an integer number (31092628455).

Almost surely, 2^213202221332 is an apocalyptic number.

It is an amenable number.

213202221332 is a deficient number, since it is larger than the sum of its proper divisors (159909320128).

213202221332 is a wasteful number, since it uses less digits than its factorization.

213202221332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093450 (or 1093448 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213202221332 its reverse (233122202312), we get a palindrome (446324423644).

The spelling of 213202221332 in words is "two hundred thirteen billion, two hundred two million, two hundred twenty-one thousand, three hundred thirty-two".