2123110030312 has 32 divisors (see below), whose sum is σ = 4086137728800. Its totient is φ = 1033809611584.

The previous prime is 2123110030259. The next prime is 2123110030333. The reversal of 2123110030312 is 2130300113212.

It is a super-2 number, since 2×2123110030312² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2123110030312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20968723 + ... + 21069730.

It is an arithmetic number, because the mean of its divisors is an integer number (127691804025).

Almost surely, 2^{2123110030312} is an apocalyptic number.

It is an amenable number.

2123110030312 is a deficient number, since it is larger than the sum of its proper divisors (1963027698488).

2123110030312 is a wasteful number, since it uses less digits than its factorization.

2123110030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42038625 (or 42038621 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2123110030312 its reverse (2130300113212), we get a palindrome (4253410143524).

The spelling of 2123110030312 in words is "two trillion, one hundred twenty-three billion, one hundred ten million, thirty thousand, three hundred twelve".