2123210320112 has 20 divisors (see below), whose sum is σ = 4701394280496. Its totient is φ = 909947280000.

The previous prime is 2123210320103. The next prime is 2123210320123. The reversal of 2123210320112 is 2110230123212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9478617389 + ... + 9478617612.

Almost surely, 2^{2123210320112} is an apocalyptic number.

It is an amenable number.

2123210320112 is an abundant number, since it is smaller than the sum of its proper divisors (2578183960384).

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

2123210320112 is a wasteful number, since it uses less digits than its factorization.

2123210320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18957235016 (or 18957235010 counting only the distinct ones).

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

Adding to 2123210320112 its reverse (2110230123212), we get a palindrome (4233440443324).

The spelling of 2123210320112 in words is "two trillion, one hundred twenty-three billion, two hundred ten million, three hundred twenty thousand, one hundred twelve".