12016620605611 has 8 divisors (see below), whose sum is σ = 12129255388080. Its totient is φ = 11903991932928.

The previous prime is 12016620605609. The next prime is 12016620605617. The reversal of 12016620605611 is 11650602661021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12016620605611 - 2¹ = 12016620605609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12016620605617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2473435 + ... + 5491003.

It is an arithmetic number, because the mean of its divisors is an integer number (1516156923510).

Almost surely, 2^{12016620605611} is an apocalyptic number.

12016620605611 is a deficient number, since it is larger than the sum of its proper divisors (112634782469).

12016620605611 is a wasteful number, since it uses less digits than its factorization.

12016620605611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054893.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 12016620605611 in words is "twelve trillion, sixteen billion, six hundred twenty million, six hundred five thousand, six hundred eleven".