12021112122201 has 96 divisors (see below), whose sum is σ = 21590047245312. Its totient is φ = 6275818828800.

The previous prime is 12021112122139. The next prime is 12021112122241. The reversal of 12021112122201 is 10222121112021.

12021112122201 is a `hidden beast` number, since 1 + 20 + 211 + 1 + 212 + 220 + 1 = 666.

It is not a de Polignac number, because 12021112122201 - 2³⁷ = 11883673168729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021112122241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 250035501 + ... + 250083573.

It is an arithmetic number, because the mean of its divisors is an integer number (224896325472).

Almost surely, 2^{12021112122201} is an apocalyptic number.

It is an amenable number.

12021112122201 is a deficient number, since it is larger than the sum of its proper divisors (9568935123111).

12021112122201 is a wasteful number, since it uses less digits than its factorization.

12021112122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51223 (or 51220 counting only the distinct ones).

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

Adding to 12021112122201 its reverse (10222121112021), we get a palindrome (22243233234222).

The spelling of 12021112122201 in words is "twelve trillion, twenty-one billion, one hundred twelve million, one hundred twenty-two thousand, two hundred one".