212221013230 has 8 divisors (see below), whose sum is σ = 381997823832. Its totient is φ = 84888405288.

The previous prime is 212221013227. The next prime is 212221013311. The reversal of 212221013230 is 32310122212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212221013198 and 212221013207.

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, 10611050652 + ... + 10611050671.

It is an arithmetic number, because the mean of its divisors is an integer number (47749727979).

Almost surely, 2^212221013230 is an apocalyptic number.

212221013230 is a deficient number, since it is larger than the sum of its proper divisors (169776810602).

212221013230 is a wasteful number, since it uses less digits than its factorization.

212221013230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21222101330.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212221013230 its reverse (32310122212), we get a palindrome (244531135442).

The spelling of 212221013230 in words is "two hundred twelve billion, two hundred twenty-one million, thirteen thousand, two hundred thirty".