12220011212201 has 32 divisors (see below), whose sum is σ = 14531904027648. Its totient is φ = 10168095006720.

The previous prime is 12220011212191. The next prime is 12220011212231. The reversal of 12220011212201 is 10221211002221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220011212201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 12220011212201.

It is not an unprimeable number, because it can be changed into a prime (12220011212231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8529695 + ... + 9858788.

It is an arithmetic number, because the mean of its divisors is an integer number (454122000864).

Almost surely, 2^{12220011212201} is an apocalyptic number.

It is an amenable number.

12220011212201 is a deficient number, since it is larger than the sum of its proper divisors (2311892815447).

12220011212201 is a wasteful number, since it uses less digits than its factorization.

12220011212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18388641.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12220011212201 its reverse (10221211002221), we get a palindrome (22441222214422).

The spelling of 12220011212201 in words is "twelve trillion, two hundred twenty billion, eleven million, two hundred twelve thousand, two hundred one".