12002002247 has 2 divisors, whose sum is σ = 12002002248. Its totient is φ = 12002002246.

The previous prime is 12002002219. The next prime is 12002002277. The reversal of 12002002247 is 74220020021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12002002247 - 2¹⁰ = 12002001223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002002277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001001123 + 6001001124.

It is an arithmetic number, because the mean of its divisors is an integer number (6001001124).

Almost surely, 2^12002002247 is an apocalyptic number.

12002002247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002002247 is an equidigital number, since it uses as much as digits as its factorization.

12002002247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

Adding to 12002002247 its reverse (74220020021), we get a palindrome (86222022268).

The spelling of 12002002247 in words is "twelve billion, two million, two thousand, two hundred forty-seven".