12025881797 has 2 divisors, whose sum is σ = 12025881798. Its totient is φ = 12025881796.

The previous prime is 12025881779. The next prime is 12025881809. The reversal of 12025881797 is 79718852021.

Together with previous prime (12025881779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8732154916 + 3293726881 = 93446^2 + 57391^2 .

It is an emirp because it is prime and its reverse (79718852021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12025881797 - 2⁸ = 12025881541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12025881697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6012940898 + 6012940899.

It is an arithmetic number, because the mean of its divisors is an integer number (6012940899).

Almost surely, 2^12025881797 is an apocalyptic number.

It is an amenable number.

12025881797 is a deficient number, since it is larger than the sum of its proper divisors (1).

12025881797 is an equidigital number, since it uses as much as digits as its factorization.

12025881797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 50.

The spelling of 12025881797 in words is "twelve billion, twenty-five million, eight hundred eighty-one thousand, seven hundred ninety-seven".