21344044312 has 16 divisors (see below), whose sum is σ = 41400086400. Its totient is φ = 10304021280.

The previous prime is 21344044277. The next prime is 21344044333.

21344044312 is nontrivially palindromic in base 10.

It is a congruent number.

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, 45999864 + ... + 46000327.

It is an arithmetic number, because the mean of its divisors is an integer number (2587505400).

Almost surely, 2^21344044312 is an apocalyptic number.

It is an amenable number.

21344044312 is a deficient number, since it is larger than the sum of its proper divisors (20056042088).

21344044312 is a wasteful number, since it uses less digits than its factorization.

21344044312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92000226 (or 92000222 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 213440 and 44312, that added together give a palindrome (257752).

The spelling of 21344044312 in words is "twenty-one billion, three hundred forty-four million, forty-four thousand, three hundred twelve".