212310311133222 has 160 divisors (see below), whose sum is σ = 516103942473504. Its totient is φ = 64969802956800.

The previous prime is 212310311133197. The next prime is 212310311133233. The reversal of 212310311133222 is 222331113013212.

212310311133222 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 10 + 311 + 1 + 332 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 581663397 + ... + 582028287.

Almost surely, 2^{212310311133222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212310311133222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258051971236752).

212310311133222 is an abundant number, since it is smaller than the sum of its proper divisors (303793631340282).

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

212310311133222 is a wasteful number, since it uses less digits than its factorization.

212310311133222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370116 (or 370107 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 212310311133222 its reverse (222331113013212), we get a palindrome (434641424146434).

The spelling of 212310311133222 in words is "two hundred twelve trillion, three hundred ten billion, three hundred eleven million, one hundred thirty-three thousand, two hundred twenty-two".