12221133232037 has 2 divisors, whose sum is σ = 12221133232038. Its totient is φ = 12221133232036.

The previous prime is 12221133232001. The next prime is 12221133232103. The reversal of 12221133232037 is 73023233112221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7646779008961 + 4574354223076 = 2765281^2 + 2138774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221133232037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12221133231994 and 12221133232012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221133202037) 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 as a sum of consecutive naturals, namely, 6110566616018 + 6110566616019.

It is an arithmetic number, because the mean of its divisors is an integer number (6110566616019).

Almost surely, 2^{12221133232037} is an apocalyptic number.

It is an amenable number.

12221133232037 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221133232037 is an equidigital number, since it uses as much as digits as its factorization.

12221133232037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

Adding to 12221133232037 its reverse (73023233112221), we get a palindrome (85244366344258).

The spelling of 12221133232037 in words is "twelve trillion, two hundred twenty-one billion, one hundred thirty-three million, two hundred thirty-two thousand, thirty-seven".