212023020112 has 40 divisors (see below), whose sum is σ = 411779162304. Its totient is φ = 105757634304.

The previous prime is 212023020059. The next prime is 212023020127. The reversal of 212023020112 is 211020320212.

It is a happy number.

It is a super-2 number, since 2×212023020112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22028133 + ... + 22037755.

Almost surely, 2^212023020112 is an apocalyptic number.

It is an amenable number.

212023020112 is a deficient number, since it is larger than the sum of its proper divisors (199756142192).

212023020112 is a wasteful number, since it uses less digits than its factorization.

212023020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12787 (or 12781 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212023020112 its reverse (211020320212), we get a palindrome (423043340324).

The spelling of 212023020112 in words is "two hundred twelve billion, twenty-three million, twenty thousand, one hundred twelve".