212022120012 has 72 divisors (see below), whose sum is σ = 544827902976. Its totient is φ = 64043264736.

The previous prime is 212022120007. The next prime is 212022120043. The reversal of 212022120012 is 210021220212.

It is a super-3 number, since 3×212022120012³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212022119973 and 212022120000.

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 23 ways as a sum of consecutive naturals, for example, 964348 + ... + 1163619.

It is an arithmetic number, because the mean of its divisors is an integer number (7567054208).

Almost surely, 2^212022120012 is an apocalyptic number.

It is an amenable number.

212022120012 is an abundant number, since it is smaller than the sum of its proper divisors (332805782964).

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

212022120012 is a wasteful number, since it uses less digits than its factorization.

212022120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128035 (or 2128014 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212022120012 its reverse (210021220212), we get a palindrome (422043340224).

The spelling of 212022120012 in words is "two hundred twelve billion, twenty-two million, one hundred twenty thousand, twelve".