12331322011 has 8 divisors (see below), whose sum is σ = 13477878144. Its totient is φ = 11231564160.

The previous prime is 12331321969. The next prime is 12331322021. The reversal of 12331322011 is 11022313321.

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 12331322011 - 2¹¹ = 12331319963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12331322011.

It is not an unprimeable number, because it can be changed into a prime (12331322021) 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, 11699020 + ... + 11700073.

It is an arithmetic number, because the mean of its divisors is an integer number (1684734768).

Almost surely, 2^12331322011 is an apocalyptic number.

12331322011 is a deficient number, since it is larger than the sum of its proper divisors (1146556133).

12331322011 is a wasteful number, since it uses less digits than its factorization.

12331322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23399141.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12331322011 its reverse (11022313321), we get a palindrome (23353635332).

The spelling of 12331322011 in words is "twelve billion, three hundred thirty-one million, three hundred twenty-two thousand, eleven".