12302103421 has 2 divisors, whose sum is σ = 12302103422. Its totient is φ = 12302103420.

The previous prime is 12302103419. The next prime is 12302103433. The reversal of 12302103421 is 12430120321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10243666521 + 2058436900 = 101211^2 + 45370^2 .

It is a cyclic number.

It is not a de Polignac number, because 12302103421 - 2¹ = 12302103419 is a prime.

Together with 12302103419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12302103481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151051710 + 6151051711.

It is an arithmetic number, because the mean of its divisors is an integer number (6151051711).

Almost surely, 2^12302103421 is an apocalyptic number.

It is an amenable number.

12302103421 is a deficient number, since it is larger than the sum of its proper divisors (1).

12302103421 is an equidigital number, since it uses as much as digits as its factorization.

12302103421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12302103421 its reverse (12430120321), we get a palindrome (24732223742).

The spelling of 12302103421 in words is "twelve billion, three hundred two million, one hundred three thousand, four hundred twenty-one".