12452969385 has 48 divisors (see below), whose sum is σ = 22056997248. Its totient is φ = 6497836800.

The previous prime is 12452969363. The next prime is 12452969407. The reversal of 12452969385 is 58396925421.

12452969385 is a `hidden beast` number, since 1 + 24 + 529 + 6 + 93 + 8 + 5 = 666.

12452969385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12452969363) and next prime (12452969407).

It is not a de Polignac number, because 12452969385 - 2²⁴ = 12436192169 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 403669 + ... + 433421.

It is an arithmetic number, because the mean of its divisors is an integer number (459520776).

Almost surely, 2^12452969385 is an apocalyptic number.

12452969385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12452969385 is a deficient number, since it is larger than the sum of its proper divisors (9604027863).

12452969385 is a wasteful number, since it uses less digits than its factorization.

12452969385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29966 (or 29963 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 12452969385 in words is "twelve billion, four hundred fifty-two million, nine hundred sixty-nine thousand, three hundred eighty-five".