12331212011 has 8 divisors (see below), whose sum is σ = 12597456960. Its totient is φ = 12065128768.

The previous prime is 12331212007. The next prime is 12331212073. The reversal of 12331212011 is 11021213321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12331212011 - 2² = 12331212007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12331212611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120575 + ... + 197991.

It is an arithmetic number, because the mean of its divisors is an integer number (1574682120).

Almost surely, 2^12331212011 is an apocalyptic number.

12331212011 is a deficient number, since it is larger than the sum of its proper divisors (266244949).

12331212011 is an equidigital number, since it uses as much as digits as its factorization.

12331212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80853.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12331212011 its reverse (11021213321), we get a palindrome (23352425332).

The spelling of 12331212011 in words is "twelve billion, three hundred thirty-one million, two hundred twelve thousand, eleven".