212320211322 has 16 divisors (see below), whose sum is σ = 431601741792. Its totient is φ = 69613183920.

The previous prime is 212320211321. The next prime is 212320211329. The reversal of 212320211322 is 223112023212.

It is not an unprimeable number, because it can be changed into a prime (212320211321) 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, 290054568 + ... + 290055299.

It is an arithmetic number, because the mean of its divisors is an integer number (26975108862).

Almost surely, 2^212320211322 is an apocalyptic number.

212320211322 is an abundant number, since it is smaller than the sum of its proper divisors (219281530470).

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

212320211322 is a wasteful number, since it uses less digits than its factorization.

212320211322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580109933.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212320211322 its reverse (223112023212), we get a palindrome (435432234534).

The spelling of 212320211322 in words is "two hundred twelve billion, three hundred twenty million, two hundred eleven thousand, three hundred twenty-two".