212013301322 has 16 divisors (see below), whose sum is σ = 338124228552. Its totient is φ = 99356974080.

The previous prime is 212013301303. The next prime is 212013301337. The reversal of 212013301322 is 223103310212.

It can be written as a sum of positive squares in 4 ways, for example, as 209206526881 + 2806774441 = 457391^2 + 52979^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212013301294 and 212013301303.

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, 12928913 + ... + 12945300.

Almost surely, 2^212013301322 is an apocalyptic number.

212013301322 is a deficient number, since it is larger than the sum of its proper divisors (126110927230).

212013301322 is a wasteful number, since it uses less digits than its factorization.

212013301322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25874473.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212013301322 its reverse (223103310212), we get a palindrome (435116611534).

The spelling of 212013301322 in words is "two hundred twelve billion, thirteen million, three hundred one thousand, three hundred twenty-two".