2112333643332 has 72 divisors (see below), whose sum is σ = 6167562422112. Its totient is φ = 602448096000.

The previous prime is 2112333643297. The next prime is 2112333643351. The reversal of 2112333643332 is 2333463332112.

2112333643332 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 3 + 3 + 3 + 643 + 3 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156880794 + ... + 156894257.

It is an arithmetic number, because the mean of its divisors is an integer number (85660589196).

Almost surely, 2^{2112333643332} is an apocalyptic number.

2112333643332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2112333643332 is an abundant number, since it is smaller than the sum of its proper divisors (4055228778780).

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

2112333643332 is a wasteful number, since it uses less digits than its factorization.

2112333643332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313775089 (or 313775084 counting only the distinct ones).

The product of its digits is 139968, while the sum is 36.

Adding to 2112333643332 its reverse (2333463332112), we get a palindrome (4445796975444).

The spelling of 2112333643332 in words is "two trillion, one hundred twelve billion, three hundred thirty-three million, six hundred forty-three thousand, three hundred thirty-two".