12012333311 has 16 divisors (see below), whose sum is σ = 13804076160. Its totient is φ = 10338043680.

The previous prime is 12012333209. The next prime is 12012333329. The reversal of 12012333311 is 11333321021.

It is a cyclic number.

It is not a de Polignac number, because 12012333311 - 2²² = 12008139007 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 (12012333391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278105 + ... + 318381.

It is an arithmetic number, because the mean of its divisors is an integer number (862754760).

Almost surely, 2^12012333311 is an apocalyptic number.

12012333311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12012333311 is a deficient number, since it is larger than the sum of its proper divisors (1791742849).

12012333311 is a wasteful number, since it uses less digits than its factorization.

12012333311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41734.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12012333311 its reverse (11333321021), we get a palindrome (23345654332).

The spelling of 12012333311 in words is "twelve billion, twelve million, three hundred thirty-three thousand, three hundred eleven".