1321012002300 has 36 divisors (see below), whose sum is σ = 3822128060856. Its totient is φ = 352269867200.

The previous prime is 1321012002269. The next prime is 1321012002347. The reversal of 1321012002300 is 32002101231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1321012002300.

It is a congruent number.

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, 2201686371 + ... + 2201686970.

Almost surely, 2^{1321012002300} is an apocalyptic number.

1321012002300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321012002300 is an abundant number, since it is smaller than the sum of its proper divisors (2501116058556).

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

1321012002300 is a wasteful number, since it uses less digits than its factorization.

1321012002300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403373358 (or 4403373351 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1321012002300 its reverse (32002101231), we get a palindrome (1353014103531).

The spelling of 1321012002300 in words is "one trillion, three hundred twenty-one billion, twelve million, two thousand, three hundred".