16213212715 has 64 divisors (see below), whose sum is σ = 24830807040. Its totient is φ = 9893560320.

The previous prime is 16213212707. The next prime is 16213212761. The reversal of 16213212715 is 51721231261.

It is not a de Polignac number, because 16213212715 - 2³ = 16213212707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7607200 + ... + 7609330.

It is an arithmetic number, because the mean of its divisors is an integer number (387981360).

Almost surely, 2^16213212715 is an apocalyptic number.

16213212715 is a deficient number, since it is larger than the sum of its proper divisors (8617594325).

16213212715 is a wasteful number, since it uses less digits than its factorization.

16213212715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852.

The product of its digits is 5040, while the sum is 31.

Adding to 16213212715 its reverse (51721231261), we get a palindrome (67934443976).

The spelling of 16213212715 in words is "sixteen billion, two hundred thirteen million, two hundred twelve thousand, seven hundred fifteen".