212303131221322 has 16 divisors (see below), whose sum is σ = 325566658010880. Its totient is φ = 103785583125168.

The previous prime is 212303131221229. The next prime is 212303131221323. The reversal of 212303131221322 is 223122131303212.

It is not an unprimeable number, because it can be changed into a prime (212303131221323) 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, 1167718797 + ... + 1167900592.

It is an arithmetic number, because the mean of its divisors is an integer number (20347916125680).

Almost surely, 2^{212303131221322} is an apocalyptic number.

212303131221322 is a deficient number, since it is larger than the sum of its proper divisors (113263526789558).

212303131221322 is a wasteful number, since it uses less digits than its factorization.

212303131221322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335620405.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 212303131221322 its reverse (223122131303212), we get a palindrome (435425262524534).

The spelling of 212303131221322 in words is "two hundred twelve trillion, three hundred three billion, one hundred thirty-one million, two hundred twenty-one thousand, three hundred twenty-two".