21412240230 has 64 divisors (see below), whose sum is σ = 51655968000. Its totient is φ = 5680368000.

The previous prime is 21412240211. The next prime is 21412240253. The reversal of 21412240230 is 3204221412.

It is a junction number, because it is equal to n+sod(n) for n = 21412240197 and 21412240206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10985296 + ... + 10987244.

It is an arithmetic number, because the mean of its divisors is an integer number (807124500).

Almost surely, 2^21412240230 is an apocalyptic number.

21412240230 is an abundant number, since it is smaller than the sum of its proper divisors (30243727770).

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

21412240230 is a wasteful number, since it uses less digits than its factorization.

21412240230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 21412240230 its reverse (3204221412), we get a palindrome (24616461642).

The spelling of 21412240230 in words is "twenty-one billion, four hundred twelve million, two hundred forty thousand, two hundred thirty".