12011122212201 has 48 divisors (see below), whose sum is σ = 20035411918080. Its totient is φ = 6791738025600.

The previous prime is 12011122212197. The next prime is 12011122212247. The reversal of 12011122212201 is 10221222111021.

12011122212201 is a `hidden beast` number, since 120 + 11 + 122 + 212 + 201 = 666.

It is not a de Polignac number, because 12011122212201 - 2² = 12011122212197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011122212101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10855836 + ... + 11910978.

It is an arithmetic number, because the mean of its divisors is an integer number (417404414960).

Almost surely, 2^{12011122212201} is an apocalyptic number.

It is an amenable number.

12011122212201 is a deficient number, since it is larger than the sum of its proper divisors (8024289705879).

12011122212201 is a wasteful number, since it uses less digits than its factorization.

12011122212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057046 (or 1057043 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12011122212201 its reverse (10221222111021), we get a palindrome (22232344323222).

The spelling of 12011122212201 in words is "twelve trillion, eleven billion, one hundred twenty-two million, two hundred twelve thousand, two hundred one".