21616050106312 has 16 divisors (see below), whose sum is σ = 40611316590000. Its totient is φ = 10786365682320.

The previous prime is 21616050106297. The next prime is 21616050106351. The reversal of 21616050106312 is 21360105061612.

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, 2707417114 + ... + 2707425097.

It is an arithmetic number, because the mean of its divisors is an integer number (2538207286875).

Almost surely, 2^{21616050106312} is an apocalyptic number.

It is an amenable number.

21616050106312 is a deficient number, since it is larger than the sum of its proper divisors (18995266483688).

21616050106312 is a wasteful number, since it uses less digits than its factorization.

21616050106312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414842716 (or 5414842712 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 21616050106312 its reverse (21360105061612), we get a palindrome (42976155167924).

The spelling of 21616050106312 in words is "twenty-one trillion, six hundred sixteen billion, fifty million, one hundred six thousand, three hundred twelve".