213222032124 has 12 divisors (see below), whose sum is σ = 497518074984. Its totient is φ = 71074010704.

The previous prime is 213222032099. The next prime is 213222032147. The reversal of 213222032124 is 421230222312.

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 = 213222032094 and 213222032103.

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, 8884251327 + ... + 8884251350.

It is an arithmetic number, because the mean of its divisors is an integer number (41459839582).

Almost surely, 2^213222032124 is an apocalyptic number.

It is an amenable number.

213222032124 is an abundant number, since it is smaller than the sum of its proper divisors (284296042860).

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

213222032124 is a wasteful number, since it uses less digits than its factorization.

213222032124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17768502684 (or 17768502682 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213222032124 its reverse (421230222312), we get a palindrome (634452254436).

The spelling of 213222032124 in words is "two hundred thirteen billion, two hundred twenty-two million, thirty-two thousand, one hundred twenty-four".