212022112012 has 6 divisors (see below), whose sum is σ = 371038696028. Its totient is φ = 106011056004.

The previous prime is 212022111967. The next prime is 212022112033. The reversal of 212022112012 is 210211220212.

It is a happy number.

It is a super-3 number, since 3×212022112012³ (a number of 35 digits) contains 333 as substring.

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 as a sum of consecutive naturals, namely, 26502763998 + ... + 26502764005.

Almost surely, 2^212022112012 is an apocalyptic number.

It is an amenable number.

212022112012 is a deficient number, since it is larger than the sum of its proper divisors (159016584016).

212022112012 is a wasteful number, since it uses less digits than its factorization.

212022112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53005528007 (or 53005528005 counting only the distinct ones).

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

Adding to 212022112012 its reverse (210211220212), we get a palindrome (422233332224).

The spelling of 212022112012 in words is "two hundred twelve billion, twenty-two million, one hundred twelve thousand, twelve".