12211203122001 has 24 divisors (see below), whose sum is σ = 19399358160000. Its totient is φ = 7354701713376.

The previous prime is 12211203121991. The next prime is 12211203122087. The reversal of 12211203122001 is 10022130211221.

12211203122001 is a `hidden beast` number, since 12 + 21 + 120 + 312 + 200 + 1 = 666.

It is not a de Polignac number, because 12211203122001 - 2¹⁸ = 12211202859857 is a prime.

It is a super-2 number, since 2×12211203122001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211203122801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1110305751 + ... + 1110316748.

It is an arithmetic number, because the mean of its divisors is an integer number (808306590000).

Almost surely, 2^{12211203122001} is an apocalyptic number.

It is an amenable number.

12211203122001 is a deficient number, since it is larger than the sum of its proper divisors (7188155037999).

12211203122001 is a wasteful number, since it uses less digits than its factorization.

12211203122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220622565 (or 2220622562 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12211203122001 its reverse (10022130211221), we get a palindrome (22233333333222).

The spelling of 12211203122001 in words is "twelve trillion, two hundred eleven billion, two hundred three million, one hundred twenty-two thousand, one".