11312223120000 has 960 divisors, whose sum is σ = 45575528787360. Its totient is φ = 2668170240000.

The previous prime is 11312223119969. The next prime is 11312223120007. The reversal of 11312223120000 is 2132221311.

11312223120000 is a `hidden beast` number, since 1 + 131 + 222 + 312 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11312223120007) 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 119 ways as a sum of consecutive naturals, for example, 293020699 + ... + 293059301.

Almost surely, 2^{11312223120000} is an apocalyptic number.

11312223120000 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 11312223120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22787764393680).

11312223120000 is an abundant number, since it is smaller than the sum of its proper divisors (34263305667360).

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

11312223120000 is a wasteful number, since it uses less digits than its factorization.

11312223120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38691 (or 38661 counting only the distinct ones).

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

Adding to 11312223120000 its reverse (2132221311), we get a palindrome (11314355341311).

The spelling of 11312223120000 in words is "eleven trillion, three hundred twelve billion, two hundred twenty-three million, one hundred twenty thousand".