2112240437 has 2 divisors, whose sum is σ = 2112240438. Its totient is φ = 2112240436.

The previous prime is 2112240413. The next prime is 2112240451. The reversal of 2112240437 is 7340422112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1737972721 + 374267716 = 41689^2 + 19346^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112240437 - 2⁶ = 2112240373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112240037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056120218 + 1056120219.

It is an arithmetic number, because the mean of its divisors is an integer number (1056120219).

Almost surely, 2^2112240437 is an apocalyptic number.

It is an amenable number.

2112240437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112240437 is an equidigital number, since it uses as much as digits as its factorization.

2112240437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2112240437 is about 45959.1170171926. The cubic root of 2112240437 is about 1283.0624176466.

Adding to 2112240437 its reverse (7340422112), we get a palindrome (9452662549).

The spelling of 2112240437 in words is "two billion, one hundred twelve million, two hundred forty thousand, four hundred thirty-seven".