12221002132001 has 96 divisors (see below), whose sum is σ = 14538325401600. Its totient is φ = 10202916971520.

The previous prime is 12221002131953. The next prime is 12221002132021. The reversal of 12221002132001 is 10023120012221.

It is not a de Polignac number, because 12221002132001 - 2¹⁰ = 12221002130977 is a prime.

It is a super-2 number, since 2×12221002132001² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12221002132021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3969144980 + ... + 3969148058.

It is an arithmetic number, because the mean of its divisors is an integer number (151440889600).

Almost surely, 2^{12221002132001} is an apocalyptic number.

It is an amenable number.

12221002132001 is a deficient number, since it is larger than the sum of its proper divisors (2317323269599).

12221002132001 is a wasteful number, since it uses less digits than its factorization.

12221002132001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559 (or 3542 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12221002132001 its reverse (10023120012221), we get a palindrome (22244122144222).

The spelling of 12221002132001 in words is "twelve trillion, two hundred twenty-one billion, two million, one hundred thirty-two thousand, one".