21412060224 has 28 divisors (see below), whose sum is σ = 56652743184. Its totient is φ = 7137353344.

The previous prime is 21412060199. The next prime is 21412060237. The reversal of 21412060224 is 42206021412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 21412060194 and 21412060203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55760382 + ... + 55760765.

Almost surely, 2^21412060224 is an apocalyptic number.

21412060224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21412060224 is an abundant number, since it is smaller than the sum of its proper divisors (35240682960).

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

21412060224 is a wasteful number, since it uses less digits than its factorization.

21412060224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111521162 (or 111521152 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21412060224 its reverse (42206021412), we get a palindrome (63618081636).

The spelling of 21412060224 in words is "twenty-one billion, four hundred twelve million, sixty thousand, two hundred twenty-four".