1321321034202 has 24 divisors (see below), whose sum is σ = 2861559165024. Its totient is φ = 406560317904.

The previous prime is 1321321034197. The next prime is 1321321034227. The reversal of 1321321034202 is 2024301231231.

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, 651537958 + ... + 651539985.

It is an arithmetic number, because the mean of its divisors is an integer number (119231631876).

Almost surely, 2^{1321321034202} is an apocalyptic number.

1321321034202 is an abundant number, since it is smaller than the sum of its proper divisors (1540238130822).

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

1321321034202 is a wasteful number, since it uses less digits than its factorization.

1321321034202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303077974 (or 1303077961 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1321321034202 its reverse (2024301231231), we get a palindrome (3345622265433).

The spelling of 1321321034202 in words is "one trillion, three hundred twenty-one billion, three hundred twenty-one million, thirty-four thousand, two hundred two".