12122032311 has 6 divisors (see below), whose sum is σ = 17509602240. Its totient is φ = 8081354868.

The previous prime is 12122032303. The next prime is 12122032339. The reversal of 12122032311 is 11323022121.

12122032311 is a `hidden beast` number, since 121 + 220 + 323 + 1 + 1 = 666.

12122032311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12122032311 - 2³ = 12122032303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122030311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 673446231 + ... + 673446248.

It is an arithmetic number, because the mean of its divisors is an integer number (2918267040).

Almost surely, 2^12122032311 is an apocalyptic number.

12122032311 is a deficient number, since it is larger than the sum of its proper divisors (5387569929).

12122032311 is a wasteful number, since it uses less digits than its factorization.

12122032311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346892485 (or 1346892482 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12122032311 its reverse (11323022121), we get a palindrome (23445054432).

The spelling of 12122032311 in words is "twelve billion, one hundred twenty-two million, thirty-two thousand, three hundred eleven".