21234433124300 has 36 divisors (see below), whose sum is σ = 50267694416856. Its totient is φ = 7721612044800.

The previous prime is 21234433124257. The next prime is 21234433124309. The reversal of 21234433124300 is 342133443212.

It is a super-2 number, since 2×21234433124300² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21234433124309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9652013957 + ... + 9652016156.

Almost surely, 2^{21234433124300} is an apocalyptic number.

21234433124300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21234433124300 is an abundant number, since it is smaller than the sum of its proper divisors (29033261292556).

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

21234433124300 is a wasteful number, since it uses less digits than its factorization.

21234433124300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19304030138 (or 19304030131 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 21234433124300 its reverse (342133443212), we get a palindrome (21576566567512).

The spelling of 21234433124300 in words is "twenty-one trillion, two hundred thirty-four billion, four hundred thirty-three million, one hundred twenty-four thousand, three hundred".