2123112030112 has 12 divisors (see below), whose sum is σ = 4179876809346. Its totient is φ = 1061556015040.

The previous prime is 2123112030107. The next prime is 2123112030173. The reversal of 2123112030112 is 2110302113212.

It can be written as a sum of positive squares in only one way, i.e., 2025395770896 + 97716259216 = 1423164^2 + 312596^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2123112030112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33173625439 + ... + 33173625502.

Almost surely, 2^{2123112030112} is an apocalyptic number.

It is an amenable number.

2123112030112 is a deficient number, since it is larger than the sum of its proper divisors (2056764779234).

2123112030112 is an equidigital number, since it uses as much as digits as its factorization.

2123112030112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66347250951 (or 66347250943 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2123112030112 its reverse (2110302113212), we get a palindrome (4233414143324).

The spelling of 2123112030112 in words is "two trillion, one hundred twenty-three billion, one hundred twelve million, thirty thousand, one hundred twelve".