12420452339 has 2 divisors, whose sum is σ = 12420452340. Its totient is φ = 12420452338.

The previous prime is 12420452329. The next prime is 12420452377. The reversal of 12420452339 is 93325402421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12420452339 is a prime.

It is a super-4 number, since 4×12420452339⁴ (a number of 41 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12420452299 and 12420452308.

It is not a weakly prime, because it can be changed into another prime (12420452329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210226169 + 6210226170.

It is an arithmetic number, because the mean of its divisors is an integer number (6210226170).

Almost surely, 2^12420452339 is an apocalyptic number.

12420452339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12420452339 is an equidigital number, since it uses as much as digits as its factorization.

12420452339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 12420452339 in words is "twelve billion, four hundred twenty million, four hundred fifty-two thousand, three hundred thirty-nine".