2112343662330 has 192 divisors, whose sum is σ = 6139729290240. Its totient is φ = 499412505600.

The previous prime is 2112343662301. The next prime is 2112343662337. The reversal of 2112343662330 is 332663432112.

2112343662330 is a `hidden beast` number, since 2 + 1 + 1 + 23 + 4 + 3 + 6 + 623 + 3 + 0 = 666.

It is a super-2 number, since 2×2112343662330² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112343662337) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 136334064 + ... + 136349556.

It is an arithmetic number, because the mean of its divisors is an integer number (31977756720).

Almost surely, 2^{2112343662330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112343662330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3069864645120).

2112343662330 is an abundant number, since it is smaller than the sum of its proper divisors (4027385627910).

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

2112343662330 is a wasteful number, since it uses less digits than its factorization.

2112343662330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18917 (or 18914 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The spelling of 2112343662330 in words is "two trillion, one hundred twelve billion, three hundred forty-three million, six hundred sixty-two thousand, three hundred thirty".