21262300214 has 32 divisors (see below), whose sum is σ = 35746492320. Its totient is φ = 9436073472.

The previous prime is 21262300211. The next prime is 21262300219. The reversal of 21262300214 is 41200326212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 21262300214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21262300211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 208349 + ... + 293144.

It is an arithmetic number, because the mean of its divisors is an integer number (1117077885).

Almost surely, 2^21262300214 is an apocalyptic number.

21262300214 is a deficient number, since it is larger than the sum of its proper divisors (14484192106).

21262300214 is a wasteful number, since it uses less digits than its factorization.

21262300214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501584.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21262300214 its reverse (41200326212), we get a palindrome (62462626426).

The spelling of 21262300214 in words is "twenty-one billion, two hundred sixty-two million, three hundred thousand, two hundred fourteen".