2123010331312 has 80 divisors (see below), whose sum is σ = 4546269957600. Its totient is φ = 954345240576.

The previous prime is 2123010331291. The next prime is 2123010331331. The reversal of 2123010331312 is 2131330103212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807439 + ... + 2213137.

It is an arithmetic number, because the mean of its divisors is an integer number (56828374470).

Almost surely, 2^{2123010331312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123010331312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2273134978800).

2123010331312 is an abundant number, since it is smaller than the sum of its proper divisors (2423259626288).

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

2123010331312 is a wasteful number, since it uses less digits than its factorization.

2123010331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405910 (or 1405904 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2123010331312 its reverse (2131330103212), we get a palindrome (4254340434524).

The spelling of 2123010331312 in words is "two trillion, one hundred twenty-three billion, ten million, three hundred thirty-one thousand, three hundred twelve".