12216011599 has 8 divisors (see below), whose sum is σ = 13636478592. Its totient is φ = 10847198040.

The previous prime is 12216011593. The next prime is 12216011603. The reversal of 12216011599 is 99511061221.

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 12216011599 - 2⁷ = 12216011471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12216011593) 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, 12912859 + ... + 12913804.

It is an arithmetic number, because the mean of its divisors is an integer number (1704559824).

Almost surely, 2^12216011599 is an apocalyptic number.

12216011599 is a deficient number, since it is larger than the sum of its proper divisors (1420466993).

12216011599 is a wasteful number, since it uses less digits than its factorization.

12216011599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25826717.

The product of its (nonzero) digits is 9720, while the sum is 37.

The spelling of 12216011599 in words is "twelve billion, two hundred sixteen million, eleven thousand, five hundred ninety-nine".