12120433211 has 4 divisors (see below), whose sum is σ = 12647408592. Its totient is φ = 11593457832.

The previous prime is 12120433201. The next prime is 12120433229. The reversal of 12120433211 is 11233402121.

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

It is not a de Polignac number, because 12120433211 - 2¹⁰ = 12120432187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120433201) 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, 263487656 + ... + 263487701.

It is an arithmetic number, because the mean of its divisors is an integer number (3161852148).

Almost surely, 2^12120433211 is an apocalyptic number.

12120433211 is a deficient number, since it is larger than the sum of its proper divisors (526975381).

12120433211 is an equidigital number, since it uses as much as digits as its factorization.

12120433211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526975380.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12120433211 its reverse (11233402121), we get a palindrome (23353835332).

The spelling of 12120433211 in words is "twelve billion, one hundred twenty million, four hundred thirty-three thousand, two hundred eleven".