212022020121112 has 16 divisors (see below), whose sum is σ = 420926069358360. Its totient is φ = 99775068292224.

The previous prime is 212022020121031. The next prime is 212022020121133. The reversal of 212022020121112 is 211121020220212.

It is a super-3 number, since 3×212022020121112³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212022020121112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779492720898 + ... + 779492721169.

Almost surely, 2^{212022020121112} is an apocalyptic number.

It is an amenable number.

212022020121112 is a deficient number, since it is larger than the sum of its proper divisors (208904049237248).

212022020121112 is a wasteful number, since it uses less digits than its factorization.

212022020121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558985442090 (or 1558985442086 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212022020121112 its reverse (211121020220212), we get a palindrome (423143040341324).

The spelling of 212022020121112 in words is "two hundred twelve trillion, twenty-two billion, twenty million, one hundred twenty-one thousand, one hundred twelve".