1213321120302 has 32 divisors (see below), whose sum is σ = 2569465821600. Its totient is φ = 380637923328.

The previous prime is 1213321120279. The next prime is 1213321120303. The reversal of 1213321120302 is 2030211233121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213321120303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3460824 + ... + 3795252.

It is an arithmetic number, because the mean of its divisors is an integer number (80295806925).

Almost surely, 2^{1213321120302} is an apocalyptic number.

1213321120302 is an abundant number, since it is smaller than the sum of its proper divisors (1356144701298).

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

1213321120302 is a wasteful number, since it uses less digits than its factorization.

1213321120302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370020.

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

Adding to 1213321120302 its reverse (2030211233121), we get a palindrome (3243532353423).

The spelling of 1213321120302 in words is "one trillion, two hundred thirteen billion, three hundred twenty-one million, one hundred twenty thousand, three hundred two".