21326412023312 has 20 divisors (see below), whose sum is σ = 45076279958736. Its totient is φ = 9693823646880.

The previous prime is 21326412023263. The next prime is 21326412023321. The reversal of 21326412023312 is 21332021462312.

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 3 ways as a sum of consecutive naturals, for example, 60586397618 + ... + 60586397969.

Almost surely, 2^{21326412023312} is an apocalyptic number.

21326412023312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21326412023312 is an abundant number, since it is smaller than the sum of its proper divisors (23749867935424).

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

21326412023312 is a wasteful number, since it uses less digits than its factorization.

21326412023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121172795606 (or 121172795600 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 21326412023312 its reverse (21332021462312), we get a palindrome (42658433485624).

The spelling of 21326412023312 in words is "twenty-one trillion, three hundred twenty-six billion, four hundred twelve million, twenty-three thousand, three hundred twelve".