3912212137 has 2 divisors, whose sum is σ = 3912212138. Its totient is φ = 3912212136.

The previous prime is 3912212123. The next prime is 3912212149. The reversal of 3912212137 is 7312122193.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2297860096 + 1614352041 = 47936^2 + 40179^2 .

It is a cyclic number.

It is not a de Polignac number, because 3912212137 - 2³¹ = 1764728489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3912212099 and 3912212108.

It is not a weakly prime, because it can be changed into another prime (3912212237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1956106068 + 1956106069.

It is an arithmetic number, because the mean of its divisors is an integer number (1956106069).

Almost surely, 2^3912212137 is an apocalyptic number.

It is an amenable number.

3912212137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3912212137 is an equidigital number, since it uses as much as digits as its factorization.

3912212137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 3912212137 is about 62547.6789097725. The cubic root of 3912212137 is about 1575.7021660607.

The spelling of 3912212137 in words is "three billion, nine hundred twelve million, two hundred twelve thousand, one hundred thirty-seven".