12375445546 has 8 divisors (see below), whose sum is σ = 18565244640. Its totient is φ = 6187030668.

The previous prime is 12375445519. The next prime is 12375445547. The reversal of 12375445546 is 64554457321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12375445546² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12375445496 and 12375445505.

It is not an unprimeable number, because it can be changed into a prime (12375445547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323406 + ... + 359641.

It is an arithmetic number, because the mean of its divisors is an integer number (2320655580).

Almost surely, 2^12375445546 is an apocalyptic number.

12375445546 is a deficient number, since it is larger than the sum of its proper divisors (6189799094).

12375445546 is an equidigital number, since it uses as much as digits as its factorization.

12375445546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692108.

The product of its digits is 2016000, while the sum is 46.

The spelling of 12375445546 in words is "twelve billion, three hundred seventy-five million, four hundred forty-five thousand, five hundred forty-six".