12047936111 has 4 divisors (see below), whose sum is σ = 12217625424. Its totient is φ = 11878246800.

The previous prime is 12047936083. The next prime is 12047936137. The reversal of 12047936111 is 11163974021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12047936111 - 2²⁶ = 11980827247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047936161) 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, 84844550 + ... + 84844691.

It is an arithmetic number, because the mean of its divisors is an integer number (3054406356).

Almost surely, 2^12047936111 is an apocalyptic number.

12047936111 is a deficient number, since it is larger than the sum of its proper divisors (169689313).

12047936111 is an equidigital number, since it uses as much as digits as its factorization.

12047936111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169689312.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 12047936111 in words is "twelve billion, forty-seven million, nine hundred thirty-six thousand, one hundred eleven".