21314225312 has 24 divisors (see below), whose sum is σ = 41970671316. Its totient is φ = 10655007232.

The previous prime is 21314225299. The next prime is 21314225333. The reversal of 21314225312 is 21352241312.

It can be written as a sum of positive squares in 2 ways, for example, as 20049427216 + 1264798096 = 141596^2 + 35564^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105578 + ... + 231894.

Almost surely, 2^21314225312 is an apocalyptic number.

It is an amenable number.

21314225312 is a deficient number, since it is larger than the sum of its proper divisors (20656446004).

21314225312 is a wasteful number, since it uses less digits than its factorization.

21314225312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131600 (or 131592 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

Adding to 21314225312 its reverse (21352241312), we get a palindrome (42666466624).

The spelling of 21314225312 in words is "twenty-one billion, three hundred fourteen million, two hundred twenty-five thousand, three hundred twelve".