12018403574 has 4 divisors (see below), whose sum is σ = 18027605364. Its totient is φ = 6009201786.

The previous prime is 12018403567. The next prime is 12018403577. The reversal of 12018403574 is 47530481021.

12018403574 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 an emirpimes, since its reverse is a distinct semiprime: 47530481021 = 107 ⋅444210103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12018403577) 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 as a sum of consecutive naturals, namely, 3004600892 + ... + 3004600895.

It is an arithmetic number, because the mean of its divisors is an integer number (4506901341).

Almost surely, 2^12018403574 is an apocalyptic number.

12018403574 is a deficient number, since it is larger than the sum of its proper divisors (6009201790).

12018403574 is an equidigital number, since it uses as much as digits as its factorization.

12018403574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009201789.

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 12018403574 its reverse (47530481021), we get a palindrome (59548884595).

The spelling of 12018403574 in words is "twelve billion, eighteen million, four hundred three thousand, five hundred seventy-four".