213322310212 has 24 divisors (see below), whose sum is σ = 407433761280. Its totient is φ = 96921334560.

The previous prime is 213322310183. The next prime is 213322310221. The reversal of 213322310212 is 212013223312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984163 + ... + 1181194.

It is an arithmetic number, because the mean of its divisors is an integer number (16976406720).

Almost surely, 2^213322310212 is an apocalyptic number.

213322310212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213322310212 is a deficient number, since it is larger than the sum of its proper divisors (194111451068).

213322310212 is a wasteful number, since it uses less digits than its factorization.

213322310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167611 (or 2167609 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 213322310212 its reverse (212013223312), we get a palindrome (425335533524).

The spelling of 213322310212 in words is "two hundred thirteen billion, three hundred twenty-two million, three hundred ten thousand, two hundred twelve".