12471215011 has 4 divisors (see below), whose sum is σ = 13204815912. Its totient is φ = 11737614112.

The previous prime is 12471214993. The next prime is 12471215017. The reversal of 12471215011 is 11051217421.

It is a happy number.

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 12471215011 - 2²³ = 12462826403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12471215017) 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, 366800425 + ... + 366800458.

It is an arithmetic number, because the mean of its divisors is an integer number (3301203978).

Almost surely, 2^12471215011 is an apocalyptic number.

12471215011 is a deficient number, since it is larger than the sum of its proper divisors (733600901).

12471215011 is an equidigital number, since it uses as much as digits as its factorization.

12471215011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733600900.

The product of its (nonzero) digits is 560, while the sum is 25.

The spelling of 12471215011 in words is "twelve billion, four hundred seventy-one million, two hundred fifteen thousand, eleven".