2123001322112 has 192 divisors, whose sum is σ = 4814762238720. Its totient is φ = 931143628800.

The previous prime is 2123001322097. The next prime is 2123001322231. The reversal of 2123001322112 is 2112231003212.

It is a super-2 number, since 2×2123001322112² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51662918 + ... + 51703994.

It is an arithmetic number, because the mean of its divisors is an integer number (25076886660).

Almost surely, 2^{2123001322112} is an apocalyptic number.

2123001322112 is a gapful number since it is divisible by the number (22) 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 2123001322112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2407381119360).

2123001322112 is an abundant number, since it is smaller than the sum of its proper divisors (2691760916608).

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

2123001322112 is a wasteful number, since it uses less digits than its factorization.

2123001322112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41231 (or 41208 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2123001322112 its reverse (2112231003212), we get a palindrome (4235232325324).

The spelling of 2123001322112 in words is "two trillion, one hundred twenty-three billion, one million, three hundred twenty-two thousand, one hundred twelve".