12022412011 has 4 divisors (see below), whose sum is σ = 12302003032. Its totient is φ = 11742820992.

The previous prime is 12022411991. The next prime is 12022412093. The reversal of 12022412011 is 11021422021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12022412011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022412111) 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, 139795446 + ... + 139795531.

It is an arithmetic number, because the mean of its divisors is an integer number (3075500758).

Almost surely, 2^12022412011 is an apocalyptic number.

12022412011 is a deficient number, since it is larger than the sum of its proper divisors (279591021).

12022412011 is an equidigital number, since it uses as much as digits as its factorization.

12022412011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279591020.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12022412011 its reverse (11021422021), we get a palindrome (23043834032).

The spelling of 12022412011 in words is "twelve billion, twenty-two million, four hundred twelve thousand, eleven".