1321322330212 has 36 divisors (see below), whose sum is σ = 2411575215280. Its totient is φ = 633121306272.

The previous prime is 1321322330191. The next prime is 1321322330239. The reversal of 1321322330212 is 2120332231231.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 884262 + ... + 1850557.

Almost surely, 2^{1321322330212} is an apocalyptic number.

It is an amenable number.

1321322330212 is a deficient number, since it is larger than the sum of its proper divisors (1090252885068).

1321322330212 is a wasteful number, since it uses less digits than its factorization.

1321322330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734972 (or 2734917 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1321322330212 its reverse (2120332231231), we get a palindrome (3441654561443).

The spelling of 1321322330212 in words is "one trillion, three hundred twenty-one billion, three hundred twenty-two million, three hundred thirty thousand, two hundred twelve".