2123113212 is nontrivially palindromic in base 10.
It is a tau number, because it is divible by the number of its divisors (36).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
Almost surely, 22123113212 is an apocalyptic number.
2123113212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2123113212 is a wasteful number, since it uses less digits than its factorization.
2123113212 is an odious number, because the sum of its binary digits is odd.
The square root of 2123113212 is about 46077.2526524748. The cubic root of 2123113212 is about 1285.2601757346.
The spelling of 2123113212 in words is "two billion, one hundred twenty-three million, one hundred thirteen thousand, two hundred twelve".