12311033322000 has 960 divisors, whose sum is σ = 47181743032320. Its totient is φ = 2752928640000.

The previous prime is 12311033321957. The next prime is 12311033322023. The reversal of 12311033322000 is 22333011321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 2974395931 + ... + 2974400069.

It is an arithmetic number, because the mean of its divisors is an integer number (49147648992).

Almost surely, 2^{12311033322000} is an apocalyptic number.

12311033322000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12311033322000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23590871516160).

12311033322000 is an abundant number, since it is smaller than the sum of its proper divisors (34870709710320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311033322000 is a wasteful number, since it uses less digits than its factorization.

12311033322000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397 (or 4374 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12311033322000 its reverse (22333011321), we get a palindrome (12333366333321).

The spelling of 12311033322000 in words is "twelve trillion, three hundred eleven billion, thirty-three million, three hundred twenty-two thousand".