12169724492 has 12 divisors (see below), whose sum is σ = 21301631400. Its totient is φ = 6083544096.

The previous prime is 12169724473. The next prime is 12169724531. The reversal of 12169724492 is 29442796121.

It is a happy number.

12169724492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12169724492² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 308618 + ... + 345809.

It is an arithmetic number, because the mean of its divisors is an integer number (1775135950).

Almost surely, 2^12169724492 is an apocalyptic number.

It is an amenable number.

12169724492 is a deficient number, since it is larger than the sum of its proper divisors (9131906908).

12169724492 is a wasteful number, since it uses less digits than its factorization.

12169724492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659080 (or 659078 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The spelling of 12169724492 in words is "twelve billion, one hundred sixty-nine million, seven hundred twenty-four thousand, four hundred ninety-two".