12311100322000 has 160 divisors (see below), whose sum is σ = 30230904562560. Its totient is φ = 4847992934400.

The previous prime is 12311100321991. The next prime is 12311100322033. The reversal of 12311100322000 is 22300111321.

It is a super-2 number, since 2×12311100322000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227370931 + ... + 227425069.

It is an arithmetic number, because the mean of its divisors is an integer number (188943153516).

Almost surely, 2^{12311100322000} is an apocalyptic number.

12311100322000 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 12311100322000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15115452281280).

12311100322000 is an abundant number, since it is smaller than the sum of its proper divisors (17919804240560).

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

12311100322000 is a wasteful number, since it uses less digits than its factorization.

12311100322000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55926 (or 55910 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12311100322000 its reverse (22300111321), we get a palindrome (12333400433321).

The spelling of 12311100322000 in words is "twelve trillion, three hundred eleven billion, one hundred million, three hundred twenty-two thousand".