12220113011237 has 2 divisors, whose sum is σ = 12220113011238. Its totient is φ = 12220113011236.

The previous prime is 12220113011209. The next prime is 12220113011371. The reversal of 12220113011237 is 73211031102221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11511967199041 + 708145812196 = 3392929^2 + 841514^2 .

It is an emirp because it is prime and its reverse (73211031102221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12220113011237 - 2¹⁴ = 12220112994853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220113011437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110056505618 + 6110056505619.

It is an arithmetic number, because the mean of its divisors is an integer number (6110056505619).

Almost surely, 2^{12220113011237} is an apocalyptic number.

It is an amenable number.

12220113011237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220113011237 is an equidigital number, since it uses as much as digits as its factorization.

12220113011237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 12220113011237 its reverse (73211031102221), we get a palindrome (85431144113458).

The spelling of 12220113011237 in words is "twelve trillion, two hundred twenty billion, one hundred thirteen million, eleven thousand, two hundred thirty-seven".