212111000212 has 48 divisors (see below), whose sum is σ = 377543835648. Its totient is φ = 104259536640.

The previous prime is 212111000183. The next prime is 212111000221. The reversal of 212111000212 is 212000111212.

It is a junction number, because it is equal to n+sod(n) for n = 212111000192 and 212111000201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42242262 + ... + 42247282.

It is an arithmetic number, because the mean of its divisors is an integer number (7865496576).

Almost surely, 2^212111000212 is an apocalyptic number.

It is an amenable number.

212111000212 is a deficient number, since it is larger than the sum of its proper divisors (165432835436).

212111000212 is a wasteful number, since it uses less digits than its factorization.

212111000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896 (or 5894 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212111000212 its reverse (212000111212), we get a palindrome (424111111424).

It can be divided in two parts, 212111000 and 212, that added together give a palindrome (212111212).

The spelling of 212111000212 in words is "two hundred twelve billion, one hundred eleven million, two hundred twelve", and thus it is an aban number.