212011022212 has 24 divisors (see below), whose sum is σ = 405559476000. Its totient is φ = 96175512960.

The previous prime is 212011022189. The next prime is 212011022239. The reversal of 212011022212 is 212220110212.

It is a happy number.

212011022212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4806133 + ... + 4850044.

It is an arithmetic number, because the mean of its divisors is an integer number (16898311500).

Almost surely, 2^212011022212 is an apocalyptic number.

212011022212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212011022212 is a deficient number, since it is larger than the sum of its proper divisors (193548453788).

212011022212 is a wasteful number, since it uses less digits than its factorization.

212011022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9656691 (or 9656689 counting only the distinct ones).

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

Adding to 212011022212 its reverse (212220110212), we get a palindrome (424231132424).

The spelling of 212011022212 in words is "two hundred twelve billion, eleven million, twenty-two thousand, two hundred twelve".