12002102447 has 2 divisors, whose sum is σ = 12002102448. Its totient is φ = 12002102446.

The previous prime is 12002102311. The next prime is 12002102449. The reversal of 12002102447 is 74420120021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12002102447 - 2¹⁸ = 12001840303 is a prime.

Together with 12002102449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002102449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001051223 + 6001051224.

It is an arithmetic number, because the mean of its divisors is an integer number (6001051224).

Almost surely, 2^12002102447 is an apocalyptic number.

12002102447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002102447 is an equidigital number, since it uses as much as digits as its factorization.

12002102447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 12002102447 its reverse (74420120021), we get a palindrome (86422222468).

The spelling of 12002102447 in words is "twelve billion, two million, one hundred two thousand, four hundred forty-seven".