1321203302212 has 6 divisors (see below), whose sum is σ = 2312105778878. Its totient is φ = 660601651104.

The previous prime is 1321203302189. The next prime is 1321203302249. The reversal of 1321203302212 is 2122033021231.

It can be written as a sum of positive squares in only one way, i.e., 922456518916 + 398746783296 = 960446^2 + 631464^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165150412773 + ... + 165150412780.

Almost surely, 2^{1321203302212} is an apocalyptic number.

It is an amenable number.

1321203302212 is a deficient number, since it is larger than the sum of its proper divisors (990902476666).

1321203302212 is a wasteful number, since it uses less digits than its factorization.

1321203302212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330300825557 (or 330300825555 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1321203302212 its reverse (2122033021231), we get a palindrome (3443236323443).

The spelling of 1321203302212 in words is "one trillion, three hundred twenty-one billion, two hundred three million, three hundred two thousand, two hundred twelve".