12201211122001 has 16 divisors (see below), whose sum is σ = 13911563888640. Its totient is φ = 10592608522320.

The previous prime is 12201211121927. The next prime is 12201211122017. The reversal of 12201211122001 is 10022111210221.

It is not a de Polignac number, because 12201211122001 - 2³⁹ = 11651455308113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201211122091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38798265 + ... + 39111478.

It is an arithmetic number, because the mean of its divisors is an integer number (869472743040).

Almost surely, 2^{12201211122001} is an apocalyptic number.

12201211122001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12201211122001 is a deficient number, since it is larger than the sum of its proper divisors (1710352766639).

12201211122001 is a wasteful number, since it uses less digits than its factorization.

12201211122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77910396.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12201211122001 its reverse (10022111210221), we get a palindrome (22223322332222).

The spelling of 12201211122001 in words is "twelve trillion, two hundred one billion, two hundred eleven million, one hundred twenty-two thousand, one".