1213001213322 has 32 divisors (see below), whose sum is σ = 2443347990720. Its totient is φ = 401450031360.

The previous prime is 1213001213297. The next prime is 1213001213339. The reversal of 1213001213322 is 2233121003121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229983 + ... + 1574450.

It is an arithmetic number, because the mean of its divisors is an integer number (76354624710).

Almost surely, 2^{1213001213322} is an apocalyptic number.

1213001213322 is an abundant number, since it is smaller than the sum of its proper divisors (1230346777398).

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

1213001213322 is a wasteful number, since it uses less digits than its factorization.

1213001213322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805238.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1213001213322 its reverse (2233121003121), we get a palindrome (3446122216443).

The spelling of 1213001213322 in words is "one trillion, two hundred thirteen billion, one million, two hundred thirteen thousand, three hundred twenty-two".