212022120112 has 40 divisors (see below), whose sum is σ = 452574707472. Its totient is φ = 95419488000.

The previous prime is 212022120077. The next prime is 212022120119. The reversal of 212022120112 is 211021220212.

It is a happy number.

It is a super-3 number, since 3×212022120112³ (a number of 35 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (212022120119) by changing a digit.

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, 5945943 + ... + 5981494.

Almost surely, 2^212022120112 is an apocalyptic number.

212022120112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212022120112 is an abundant number, since it is smaller than the sum of its proper divisors (240552587360).

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

212022120112 is a wasteful number, since it uses less digits than its factorization.

212022120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11927557 (or 11927551 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212022120112 its reverse (211021220212), we get a palindrome (423043340324).

The spelling of 212022120112 in words is "two hundred twelve billion, twenty-two million, one hundred twenty thousand, one hundred twelve".