12042400534237 has 2 divisors, whose sum is σ = 12042400534238. Its totient is φ = 12042400534236.

The previous prime is 12042400534193. The next prime is 12042400534247. The reversal of 12042400534237 is 73243500424021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10062129591396 + 1980270942841 = 3172086^2 + 1407221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12042400534237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12042400534196 and 12042400534205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042400534247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021200267118 + 6021200267119.

It is an arithmetic number, because the mean of its divisors is an integer number (6021200267119).

Almost surely, 2^{12042400534237} is an apocalyptic number.

It is an amenable number.

12042400534237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042400534237 is an equidigital number, since it uses as much as digits as its factorization.

12042400534237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 37.

Adding to 12042400534237 its reverse (73243500424021), we get a palindrome (85285900958258).

The spelling of 12042400534237 in words is "twelve trillion, forty-two billion, four hundred million, five hundred thirty-four thousand, two hundred thirty-seven".