21310244201312 has 72 divisors (see below), whose sum is σ = 46120065034176. Its totient is φ = 9685478880000.

The previous prime is 21310244201243. The next prime is 21310244201327.

It is a happy number.

21310244201312 is nontrivially palindromic in base 10.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 38058737 + ... + 38614607.

It is an arithmetic number, because the mean of its divisors is an integer number (640556458808).

Almost surely, 2^{21310244201312} is an apocalyptic number.

21310244201312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21310244201312 is an abundant number, since it is smaller than the sum of its proper divisors (24809820832864).

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

21310244201312 is a wasteful number, since it uses less digits than its factorization.

21310244201312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565804 (or 565785 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

It can be divided in two parts, 2131024 and 4201312, that added together give a palindrome (6332336).

The spelling of 21310244201312 in words is "twenty-one trillion, three hundred ten billion, two hundred forty-four million, two hundred one thousand, three hundred twelve".