21301232300 has 18 divisors (see below), whose sum is σ = 46223674308. Its totient is φ = 8520492880.

The previous prime is 21301232287. The next prime is 21301232311. The reversal of 21301232300 is 323210312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106506062 + ... + 106506261.

It is an arithmetic number, because the mean of its divisors is an integer number (2567981906).

Almost surely, 2^21301232300 is an apocalyptic number.

21301232300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21301232300 is an abundant number, since it is smaller than the sum of its proper divisors (24922442008).

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

21301232300 is a wasteful number, since it uses less digits than its factorization.

21301232300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213012337 (or 213012330 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21301232300 its reverse (323210312), we get a palindrome (21624442612).

The spelling of 21301232300 in words is "twenty-one billion, three hundred one million, two hundred thirty-two thousand, three hundred".