1300321121212 has 96 divisors (see below), whose sum is σ = 2468042035200. Its totient is φ = 597537907200.

The previous prime is 1300321121171. The next prime is 1300321121213. The reversal of 1300321121212 is 2121211230031.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1300321121212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300321121213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630304893 + ... + 630306955.

It is an arithmetic number, because the mean of its divisors is an integer number (25708771200).

Almost surely, 2^{1300321121212} is an apocalyptic number.

It is an amenable number.

1300321121212 is a deficient number, since it is larger than the sum of its proper divisors (1167720913988).

1300321121212 is a wasteful number, since it uses less digits than its factorization.

1300321121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947 (or 3945 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1300321121212 its reverse (2121211230031), we get a palindrome (3421532351243).

The spelling of 1300321121212 in words is "one trillion, three hundred billion, three hundred twenty-one million, one hundred twenty-one thousand, two hundred twelve".