12025412279 has 2 divisors, whose sum is σ = 12025412280. Its totient is φ = 12025412278.

The previous prime is 12025412257. The next prime is 12025412353. The reversal of 12025412279 is 97221452021.

It is a weak prime.

It is an emirp because it is prime and its reverse (97221452021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12025412279 is a prime.

It is a super-2 number, since 2×12025412279² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12025412219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6012706139 + 6012706140.

It is an arithmetic number, because the mean of its divisors is an integer number (6012706140).

Almost surely, 2^12025412279 is an apocalyptic number.

12025412279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12025412279 is an equidigital number, since it uses as much as digits as its factorization.

12025412279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 12025412279 in words is "twelve billion, twenty-five million, four hundred twelve thousand, two hundred seventy-nine".