12120022212201 has 32 divisors (see below), whose sum is σ = 18992927473920. Its totient is φ = 7622837050752.

The previous prime is 12120022212127. The next prime is 12120022212317. The reversal of 12120022212201 is 10221222002121.

It is a happy number.

12120022212201 is a `hidden beast` number, since 1 + 21 + 200 + 2 + 221 + 220 + 1 = 666.

It is not a de Polignac number, because 12120022212201 - 2⁷ = 12120022212073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12120022252201) 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, 133632366 + ... + 133723031.

It is an arithmetic number, because the mean of its divisors is an integer number (593528983560).

Almost surely, 2^{12120022212201} is an apocalyptic number.

It is an amenable number.

12120022212201 is a deficient number, since it is larger than the sum of its proper divisors (6872905261719).

12120022212201 is a wasteful number, since it uses less digits than its factorization.

12120022212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267355502 (or 267355496 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12120022212201 its reverse (10221222002121), we get a palindrome (22341244214322).

The spelling of 12120022212201 in words is "twelve trillion, one hundred twenty billion, twenty-two million, two hundred twelve thousand, two hundred one".