211120012212 has 24 divisors (see below), whose sum is σ = 505927237536. Its totient is φ = 68471355168.

The previous prime is 211120012183. The next prime is 211120012283. The reversal of 211120012212 is 212210021112.

It is a junction number, because it is equal to n+sod(n) for n = 211120012191 and 211120012200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237747318 + ... + 237748205.

It is an arithmetic number, because the mean of its divisors is an integer number (21080301564).

Almost surely, 2^211120012212 is an apocalyptic number.

It is an amenable number.

211120012212 is an abundant number, since it is smaller than the sum of its proper divisors (294807225324).

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

211120012212 is a wasteful number, since it uses less digits than its factorization.

211120012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475495567 (or 475495565 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211120012212 its reverse (212210021112), we get a palindrome (423330033324).

The spelling of 211120012212 in words is "two hundred eleven billion, one hundred twenty million, twelve thousand, two hundred twelve".