2123313120312 has 64 divisors (see below), whose sum is σ = 5412359878560. Its totient is φ = 693913459200.

The previous prime is 2123313120307. The next prime is 2123313120323. The reversal of 2123313120312 is 2130213133212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 1152262 + ... + 2361002.

Almost surely, 2^{2123313120312} 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 2123313120312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2706179939280).

2123313120312 is an abundant number, since it is smaller than the sum of its proper divisors (3289046758248).

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

2123313120312 is a wasteful number, since it uses less digits than its factorization.

2123313120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210184 (or 1210180 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2123313120312 its reverse (2130213133212), we get a palindrome (4253526253524).

The spelling of 2123313120312 in words is "two trillion, one hundred twenty-three billion, three hundred thirteen million, one hundred twenty thousand, three hundred twelve".