12041404009 has 2 divisors, whose sum is σ = 12041404010. Its totient is φ = 12041404008.

The previous prime is 12041404007. The next prime is 12041404013. The reversal of 12041404009 is 90040414021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11805474409 + 235929600 = 108653^2 + 15360^2 .

It is a cyclic number.

It is not a de Polignac number, because 12041404009 - 2¹ = 12041404007 is a prime.

It is a super-2 number, since 2×12041404009² (a number of 21 digits) contains 22 as substring.

Together with 12041404007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12041404003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6020702004 + 6020702005.

It is an arithmetic number, because the mean of its divisors is an integer number (6020702005).

Almost surely, 2^12041404009 is an apocalyptic number.

It is an amenable number.

12041404009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12041404009 is an equidigital number, since it uses as much as digits as its factorization.

12041404009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 12041404009 in words is "twelve billion, forty-one million, four hundred four thousand, nine".