213313223112 has 64 divisors (see below), whose sum is σ = 582210754560. Its totient is φ = 64590657600.

The previous prime is 213313223093. The next prime is 213313223141. The reversal of 213313223112 is 211322313312.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33937 + ... + 654047.

It is an arithmetic number, because the mean of its divisors is an integer number (9097043040).

Almost surely, 2^213313223112 is an apocalyptic number.

213313223112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213313223112 is an abundant number, since it is smaller than the sum of its proper divisors (368897531448).

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

213313223112 is a wasteful number, since it uses less digits than its factorization.

213313223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621434 (or 621430 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 213313223112 its reverse (211322313312), we get a palindrome (424635536424).

It can be divided in two parts, 21 and 3313223112, that added together give a palindrome (3313223133).

The spelling of 213313223112 in words is "two hundred thirteen billion, three hundred thirteen million, two hundred twenty-three thousand, one hundred twelve".