12018119529 has 8 divisors (see below), whose sum is σ = 17256787072. Its totient is φ = 7395765840.

The previous prime is 12018119507. The next prime is 12018119567. The reversal of 12018119529 is 92591181021.

It is a happy number.

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

It is not a de Polignac number, because 12018119529 - 2⁹ = 12018119017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 308156911 = 12018119529 / (1 + 2 + 0 + 1 + 8 + 1 + 1 + 9 + 5 + 2 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12018819529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154078417 + ... + 154078494.

It is an arithmetic number, because the mean of its divisors is an integer number (2157098384).

Almost surely, 2^12018119529 is an apocalyptic number.

It is an amenable number.

12018119529 is a deficient number, since it is larger than the sum of its proper divisors (5238667543).

12018119529 is a wasteful number, since it uses less digits than its factorization.

12018119529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308156927.

The product of its (nonzero) digits is 12960, while the sum is 39.

The spelling of 12018119529 in words is "twelve billion, eighteen million, one hundred nineteen thousand, five hundred twenty-nine".