21232300112 has 20 divisors (see below), whose sum is σ = 41141548320. Its totient is φ = 10615126368.

The previous prime is 21232300097. The next prime is 21232300129. The reversal of 21232300112 is 21100323212.

It is a congruent 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, 123839 + ... + 240417.

It is an arithmetic number, because the mean of its divisors is an integer number (2057077416).

Almost surely, 2^21232300112 is an apocalyptic number.

It is an amenable number.

21232300112 is a deficient number, since it is larger than the sum of its proper divisors (19909248208).

21232300112 is a wasteful number, since it uses less digits than its factorization.

21232300112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127970 (or 127964 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21232300112 its reverse (21100323212), we get a palindrome (42332623324).

The spelling of 21232300112 in words is "twenty-one billion, two hundred thirty-two million, three hundred thousand, one hundred twelve".