12070915609 has 2 divisors, whose sum is σ = 12070915610. Its totient is φ = 12070915608.

The previous prime is 12070915607. The next prime is 12070915639. The reversal of 12070915609 is 90651907021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12027947584 + 42968025 = 109672^2 + 6555^2 .

It is a cyclic number.

It is not a de Polignac number, because 12070915609 - 2¹ = 12070915607 is a prime.

Together with 12070915607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12070915607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6035457804 + 6035457805.

It is an arithmetic number, because the mean of its divisors is an integer number (6035457805).

Almost surely, 2^12070915609 is an apocalyptic number.

It is an amenable number.

12070915609 is a deficient number, since it is larger than the sum of its proper divisors (1).

12070915609 is an equidigital number, since it uses as much as digits as its factorization.

12070915609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 12070915609 in words is "twelve billion, seventy million, nine hundred fifteen thousand, six hundred nine".