12280526379499 has 4 divisors (see below), whose sum is σ = 14034887290864. Its totient is φ = 10526165468136.

The previous prime is 12280526379497. The next prime is 12280526379503. The reversal of 12280526379499 is 99497362508221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12280526379499 - 2¹ = 12280526379497 is a prime.

It is a super-2 number, since 2×12280526379499² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12280526379497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877180455672 + ... + 877180455685.

It is an arithmetic number, because the mean of its divisors is an integer number (3508721822716).

It is a 1-persistent number, because it is pandigital, but 2⋅12280526379499 = 24561052758998 is not.

Almost surely, 2^{12280526379499} is an apocalyptic number.

12280526379499 is a deficient number, since it is larger than the sum of its proper divisors (1754360911365).

12280526379499 is an equidigital number, since it uses as much as digits as its factorization.

12280526379499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754360911364.

The product of its (nonzero) digits is 117573120, while the sum is 67.

The spelling of 12280526379499 in words is "twelve trillion, two hundred eighty billion, five hundred twenty-six million, three hundred seventy-nine thousand, four hundred ninety-nine".