12201111212201 has 8 divisors (see below), whose sum is σ = 12203293369344. Its totient is φ = 12198929230800.

The previous prime is 12201111212153. The next prime is 12201111212231. The reversal of 12201111212201 is 10221211110221.

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 12201111212201 - 2¹⁸ = 12201110950057 is a prime.

It is a super-2 number, since 2×12201111212201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12201111212201.

It is not an unprimeable number, because it can be changed into a prime (12201111212231) 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, 260311370 + ... + 260358236.

It is an arithmetic number, because the mean of its divisors is an integer number (1525411671168).

Almost surely, 2^{12201111212201} is an apocalyptic number.

It is an amenable number.

12201111212201 is a deficient number, since it is larger than the sum of its proper divisors (2182157143).

12201111212201 is an equidigital number, since it uses as much as digits as its factorization.

12201111212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87871.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12201111212201 its reverse (10221211110221), we get a palindrome (22422322322422).

The spelling of 12201111212201 in words is "twelve trillion, two hundred one billion, one hundred eleven million, two hundred twelve thousand, two hundred one".