21303232323112 has 16 divisors (see below), whose sum is σ = 42045853269600. Its totient is φ = 10091004784560.

The previous prime is 21303232323103. The next prime is 21303232323151. The reversal of 21303232323112 is 21132323230312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70076421964 + ... + 70076422267.

It is an arithmetic number, because the mean of its divisors is an integer number (2627865829350).

Almost surely, 2^{21303232323112} is an apocalyptic number.

It is an amenable number.

21303232323112 is a deficient number, since it is larger than the sum of its proper divisors (20742620946488).

21303232323112 is a wasteful number, since it uses less digits than its factorization.

21303232323112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140152844256 (or 140152844252 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 21303232323112 its reverse (21132323230312), we get a palindrome (42435555553424).

The spelling of 21303232323112 in words is "twenty-one trillion, three hundred three billion, two hundred thirty-two million, three hundred twenty-three thousand, one hundred twelve".