21303411430312 has 16 divisors (see below), whose sum is σ = 43575159744000. Its totient is φ = 9683368831920.

The previous prime is 21303411430307. The next prime is 21303411430319.

21303411430312 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (21303411430319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121042110312 + ... + 121042110487.

It is an arithmetic number, because the mean of its divisors is an integer number (2723447484000).

Almost surely, 2^{21303411430312} is an apocalyptic number.

21303411430312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21303411430312 is an abundant number, since it is smaller than the sum of its proper divisors (22271748313688).

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

21303411430312 is a wasteful number, since it uses less digits than its factorization.

21303411430312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242084220816 (or 242084220812 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

It can be divided in two parts, 2130341 and 1430312, that added together give a palindrome (3560653).

The spelling of 21303411430312 in words is "twenty-one trillion, three hundred three billion, four hundred eleven million, four hundred thirty thousand, three hundred twelve".