21332200321312 has 96 divisors (see below), whose sum is σ = 43518397063680. Its totient is φ = 10281148200960.

The previous prime is 21332200321297. The next prime is 21332200321387. The reversal of 21332200321312 is 21312300223312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1916461987 + ... + 1916473117.

It is an arithmetic number, because the mean of its divisors is an integer number (453316636080).

Almost surely, 2^{21332200321312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21332200321312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21759198531840).

21332200321312 is an abundant number, since it is smaller than the sum of its proper divisors (22186196742368).

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

21332200321312 is a wasteful number, since it uses less digits than its factorization.

21332200321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14426 (or 14418 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21332200321312 its reverse (21312300223312), we get a palindrome (42644500544624).

The spelling of 21332200321312 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred million, three hundred twenty-one thousand, three hundred twelve".