12015216706 has 32 divisors (see below), whose sum is σ = 18839132928. Its totient is φ = 5741823360.

The previous prime is 12015216683. The next prime is 12015216757. The reversal of 12015216706 is 60761251021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3592471 + ... + 3595813.

It is an arithmetic number, because the mean of its divisors is an integer number (588722904).

Almost surely, 2^12015216706 is an apocalyptic number.

12015216706 is a deficient number, since it is larger than the sum of its proper divisors (6823916222).

12015216706 is a wasteful number, since it uses less digits than its factorization.

12015216706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266.

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

Adding to 12015216706 its reverse (60761251021), we get a palindrome (72776467727).

The spelling of 12015216706 in words is "twelve billion, fifteen million, two hundred sixteen thousand, seven hundred six".