12340947375 has 40 divisors (see below), whose sum is σ = 23007201360. Its totient is φ = 6581833200.

The previous prime is 12340947373. The next prime is 12340947401. The reversal of 12340947375 is 57374904321.

12340947375 is a `hidden beast` number, since 1 + 234 + 0 + 9 + 47 + 375 = 666.

It is not a de Polignac number, because 12340947375 - 2¹ = 12340947373 is a prime.

It is a super-2 number, since 2×12340947375² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12340947375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340947373) 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 39 ways as a sum of consecutive naturals, for example, 599305 + ... + 619554.

It is an arithmetic number, because the mean of its divisors is an integer number (575180034).

Almost surely, 2^12340947375 is an apocalyptic number.

12340947375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12340947375 is a deficient number, since it is larger than the sum of its proper divisors (10666253985).

12340947375 is an equidigital number, since it uses as much as digits as its factorization.

12340947375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218886 (or 1218867 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 12340947375 in words is "twelve billion, three hundred forty million, nine hundred forty-seven thousand, three hundred seventy-five".