12221133232001 has 2 divisors, whose sum is σ = 12221133232002. Its totient is φ = 12221133232000.

The previous prime is 12221133231997. The next prime is 12221133232037. The reversal of 12221133232001 is 10023233112221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10134194730625 + 2086938501376 = 3183425^2 + 1444624^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221133232001 - 2² = 12221133231997 is a prime.

It is not a weakly prime, because it can be changed into another prime (12221133232201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110566616000 + 6110566616001.

It is an arithmetic number, because the mean of its divisors is an integer number (6110566616001).

Almost surely, 2^{12221133232001} is an apocalyptic number.

It is an amenable number.

12221133232001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221133232001 is an equidigital number, since it uses as much as digits as its factorization.

12221133232001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12221133232001 its reverse (10023233112221), we get a palindrome (22244366344222).

The spelling of 12221133232001 in words is "twelve trillion, two hundred twenty-one billion, one hundred thirty-three million, two hundred thirty-two thousand, one".