21314505112 has 16 divisors (see below), whose sum is σ = 40036455360. Its totient is φ = 10638117024.

The previous prime is 21314505067. The next prime is 21314505127. The reversal of 21314505112 is 21150541312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2387208 + ... + 2396119.

It is an arithmetic number, because the mean of its divisors is an integer number (2502278460).

Almost surely, 2^21314505112 is an apocalyptic number.

It is an amenable number.

21314505112 is a deficient number, since it is larger than the sum of its proper divisors (18721950248).

21314505112 is a wasteful number, since it uses less digits than its factorization.

21314505112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783890 (or 4783886 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 21314505112 in words is "twenty-one billion, three hundred fourteen million, five hundred five thousand, one hundred twelve".