12023310211 has 4 divisors (see below), whose sum is σ = 13116338424. Its totient is φ = 10930282000.

The previous prime is 12023310209. The next prime is 12023310259. The reversal of 12023310211 is 11201332021.

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

It is not a de Polignac number, because 12023310211 - 2¹ = 12023310209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023311211) 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, 546514090 + ... + 546514111.

It is an arithmetic number, because the mean of its divisors is an integer number (3279084606).

Almost surely, 2^12023310211 is an apocalyptic number.

12023310211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12023310211 is a deficient number, since it is larger than the sum of its proper divisors (1093028213).

12023310211 is a wasteful number, since it uses less digits than its factorization.

12023310211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093028212.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12023310211 its reverse (11201332021), we get a palindrome (23224642232).

The spelling of 12023310211 in words is "twelve billion, twenty-three million, three hundred ten thousand, two hundred eleven".