213220433112 has 64 divisors (see below), whose sum is σ = 553423384800. Its totient is φ = 68374871040.

The previous prime is 213220433081. The next prime is 213220433113. The reversal of 213220433112 is 211334022312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213220433113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360189 + ... + 745772.

Almost surely, 2^213220433112 is an apocalyptic number.

It is an amenable number.

213220433112 is an abundant number, since it is smaller than the sum of its proper divisors (340202951688).

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

213220433112 is a wasteful number, since it uses less digits than its factorization.

213220433112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106276 (or 1106272 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213220433112 its reverse (211334022312), we get a palindrome (424554455424).

The spelling of 213220433112 in words is "two hundred thirteen billion, two hundred twenty million, four hundred thirty-three thousand, one hundred twelve".