1321300013202 has 384 divisors, whose sum is σ = 3443542502400. Its totient is φ = 376308446976.

The previous prime is 1321300013197. The next prime is 1321300013219. The reversal of 1321300013202 is 2023100031231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1395247693 + ... + 1395248639.

It is an arithmetic number, because the mean of its divisors is an integer number (8967558600).

Almost surely, 2^{1321300013202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1321300013202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1721771251200).

1321300013202 is an abundant number, since it is smaller than the sum of its proper divisors (2122242489198).

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

1321300013202 is a wasteful number, since it uses less digits than its factorization.

1321300013202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1321300013202 its reverse (2023100031231), we get a palindrome (3344400044433).

The spelling of 1321300013202 in words is "one trillion, three hundred twenty-one billion, three hundred million, thirteen thousand, two hundred two".