212112022012 has 12 divisors (see below), whose sum is σ = 404941133016. Its totient is φ = 96414555440.

The previous prime is 212112022007. The next prime is 212112022013. The reversal of 212112022012 is 210220211212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112022013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410363843 + ... + 2410363930.

It is an arithmetic number, because the mean of its divisors is an integer number (33745094418).

Almost surely, 2^212112022012 is an apocalyptic number.

212112022012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212112022012 is a deficient number, since it is larger than the sum of its proper divisors (192829111004).

212112022012 is a wasteful number, since it uses less digits than its factorization.

212112022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820727788 (or 4820727786 counting only the distinct ones).

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

Adding to 212112022012 its reverse (210220211212), we get a palindrome (422332233224).

The spelling of 212112022012 in words is "two hundred twelve billion, one hundred twelve million, twenty-two thousand, twelve".