2121302013312 has 64 divisors (see below), whose sum is σ = 5635613689200. Its totient is φ = 706987075584.

The previous prime is 2121302013269. The next prime is 2121302013361. The reversal of 2121302013312 is 2133102031212.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966698 + ... + 2847894.

Almost surely, 2^{2121302013312} is an apocalyptic number.

It is an amenable number.

2121302013312 is an abundant number, since it is smaller than the sum of its proper divisors (3514311675888).

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

2121302013312 is an equidigital number, since it uses as much as digits as its factorization.

2121302013312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887483 (or 887471 counting only the distinct ones).

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

Adding to 2121302013312 its reverse (2133102031212), we get a palindrome (4254404044524).

The spelling of 2121302013312 in words is "two trillion, one hundred twenty-one billion, three hundred two million, thirteen thousand, three hundred twelve".