21242300324212 has 96 divisors (see below), whose sum is σ = 43215624144000. Its totient is φ = 9044717606400.

The previous prime is 21242300324207. The next prime is 21242300324227.

21242300324212 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6876162 + ... + 9474502.

It is an arithmetic number, because the mean of its divisors is an integer number (450162751500).

Almost surely, 2^{21242300324212} is an apocalyptic number.

21242300324212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21242300324212 is an abundant number, since it is smaller than the sum of its proper divisors (21973323819788).

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

21242300324212 is a wasteful number, since it uses less digits than its factorization.

21242300324212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598577 (or 2598575 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 21242300 and 324212, that added together give a palindrome (21566512).

The spelling of 21242300324212 in words is "twenty-one trillion, two hundred forty-two billion, three hundred million, three hundred twenty-four thousand, two hundred twelve".