12499874149 has 4 divisors (see below), whose sum is σ = 14285570464. Its totient is φ = 10714177836.

The previous prime is 12499874129. The next prime is 12499874161. The reversal of 12499874149 is 94147899421.

12499874149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94147899421 = 997 ⋅94431193.

It is a cyclic number.

It is not a de Polignac number, because 12499874149 - 2¹⁵ = 12499841381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12499874093 and 12499874102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499874129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892848147 + ... + 892848160.

It is an arithmetic number, because the mean of its divisors is an integer number (3571392616).

Almost surely, 2^12499874149 is an apocalyptic number.

It is an amenable number.

12499874149 is a deficient number, since it is larger than the sum of its proper divisors (1785696315).

12499874149 is an equidigital number, since it uses as much as digits as its factorization.

12499874149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785696314.

The product of its digits is 5225472, while the sum is 58.

The spelling of 12499874149 in words is "twelve billion, four hundred ninety-nine million, eight hundred seventy-four thousand, one hundred forty-nine".