12046854329 has 4 divisors (see below), whose sum is σ = 12327013776. Its totient is φ = 11766694884.

The previous prime is 12046854319. The next prime is 12046854343. The reversal of 12046854329 is 92345864021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12046854329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12046854329.

It is not an unprimeable number, because it can be changed into a prime (12046854319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140079659 + ... + 140079744.

It is an arithmetic number, because the mean of its divisors is an integer number (3081753444).

Almost surely, 2^12046854329 is an apocalyptic number.

It is an amenable number.

12046854329 is a deficient number, since it is larger than the sum of its proper divisors (280159447).

12046854329 is an equidigital number, since it uses as much as digits as its factorization.

12046854329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280159446.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 12046854329 in words is "twelve billion, forty-six million, eight hundred fifty-four thousand, three hundred twenty-nine".