12217065901 has 8 divisors (see below), whose sum is σ = 12345629184. Its totient is φ = 12088556160.

The previous prime is 12217065893. The next prime is 12217065941. The reversal of 12217065901 is 10956071221.

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 12217065901 - 2³ = 12217065893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12217065941) 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, 584436 + ... + 604978.

It is an arithmetic number, because the mean of its divisors is an integer number (1543203648).

Almost surely, 2^12217065901 is an apocalyptic number.

It is an amenable number.

12217065901 is a deficient number, since it is larger than the sum of its proper divisors (128563283).

12217065901 is an equidigital number, since it uses as much as digits as its factorization.

12217065901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26771.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 12217065901 in words is "twelve billion, two hundred seventeen million, sixty-five thousand, nine hundred one".