212213211331 has 8 divisors (see below), whose sum is σ = 232680477744. Its totient is φ = 191941804320.

The previous prime is 212213211307. The next prime is 212213211337. The reversal of 212213211331 is 133112312212.

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

It is a cyclic number.

It is not a de Polignac number, because 212213211331 - 2²⁷ = 212078993603 is a prime.

It is a super-2 number, since 2×212213211331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212213211337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48962580 + ... + 48966913.

It is an arithmetic number, because the mean of its divisors is an integer number (29085059718).

Almost surely, 2^212213211331 is an apocalyptic number.

212213211331 is a deficient number, since it is larger than the sum of its proper divisors (20467266413).

212213211331 is a wasteful number, since it uses less digits than its factorization.

212213211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97929701.

The product of its digits is 432, while the sum is 22.

Adding to 212213211331 its reverse (133112312212), we get a palindrome (345325523543).

The spelling of 212213211331 in words is "two hundred twelve billion, two hundred thirteen million, two hundred eleven thousand, three hundred thirty-one".