12225139660801 has 4 divisors (see below), whose sum is σ = 12509445234352. Its totient is φ = 11940834087252.

The previous prime is 12225139660793. The next prime is 12225139660813. The reversal of 12225139660801 is 10806693152221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12225139660801 - 2³ = 12225139660793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12225139660861) 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 in 3 ways as a sum of consecutive naturals, for example, 142152786711 + ... + 142152786796.

It is an arithmetic number, because the mean of its divisors is an integer number (3127361308588).

Almost surely, 2^{12225139660801} is an apocalyptic number.

It is an amenable number.

12225139660801 is a deficient number, since it is larger than the sum of its proper divisors (284305573551).

12225139660801 is an equidigital number, since it uses as much as digits as its factorization.

12225139660801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284305573550.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 12225139660801 in words is "twelve trillion, two hundred twenty-five billion, one hundred thirty-nine million, six hundred sixty thousand, eight hundred one".