213223000332 has 12 divisors (see below), whose sum is σ = 497520334136. Its totient is φ = 71074333440.

The previous prime is 213223000301. The next prime is 213223000357. The reversal of 213223000332 is 233000322312.

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

It is a super-2 number, since 2×213223000332² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213223000299 and 213223000308.

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, 8884291669 + ... + 8884291692.

Almost surely, 2^213223000332 is an apocalyptic number.

It is an amenable number.

213223000332 is an abundant number, since it is smaller than the sum of its proper divisors (284297333804).

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

213223000332 is a wasteful number, since it uses less digits than its factorization.

213223000332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17768583368 (or 17768583366 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 213223000332 its reverse (233000322312), we get a palindrome (446223322644).

The spelling of 213223000332 in words is "two hundred thirteen billion, two hundred twenty-three million, three hundred thirty-two", and thus it is an aban number.