12162318488237 has 2 divisors, whose sum is σ = 12162318488238. Its totient is φ = 12162318488236.

The previous prime is 12162318488191. The next prime is 12162318488249. The reversal of 12162318488237 is 73288481326121.

It is a happy number.

12162318488237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12143071365481 + 19247122756 = 3484691^2 + 138734^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12162318488237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12162318488137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081159244118 + 6081159244119.

It is an arithmetic number, because the mean of its divisors is an integer number (6081159244119).

Almost surely, 2^{12162318488237} is an apocalyptic number.

It is an amenable number.

12162318488237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12162318488237 is an equidigital number, since it uses as much as digits as its factorization.

12162318488237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6193152, while the sum is 56.

The spelling of 12162318488237 in words is "twelve trillion, one hundred sixty-two billion, three hundred eighteen million, four hundred eighty-eight thousand, two hundred thirty-seven".