12046143776209 has 4 divisors (see below), whose sum is σ = 12080858888304. Its totient is φ = 12011428664116.

The previous prime is 12046143776143. The next prime is 12046143776237. The reversal of 12046143776209 is 90267734164021.

It is a happy number.

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 not a de Polignac number, because 12046143776209 - 2²¹ = 12046141679057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12046143776239) 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, 17357555527 + ... + 17357556220.

It is an arithmetic number, because the mean of its divisors is an integer number (3020214722076).

Almost surely, 2^{12046143776209} is an apocalyptic number.

It is an amenable number.

12046143776209 is a deficient number, since it is larger than the sum of its proper divisors (34715112095).

12046143776209 is an equidigital number, since it uses as much as digits as its factorization.

12046143776209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34715112094.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 12046143776209 in words is "twelve trillion, forty-six billion, one hundred forty-three million, seven hundred seventy-six thousand, two hundred nine".