212000221012 has 12 divisors (see below), whose sum is σ = 392823939060. Its totient is φ = 99764809856.

The previous prime is 212000221007. The next prime is 212000221031. The reversal of 212000221012 is 210122000212.

It is a happy number.

212000221012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 99885074116 + 112115146896 = 316046^2 + 334836^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212000220983 and 212000221001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558825087 + ... + 1558825222.

It is an arithmetic number, because the mean of its divisors is an integer number (32735328255).

Almost surely, 2^212000221012 is an apocalyptic number.

It is an amenable number.

212000221012 is a deficient number, since it is larger than the sum of its proper divisors (180823718048).

212000221012 is a wasteful number, since it uses less digits than its factorization.

212000221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117650330 (or 3117650328 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212000221012 its reverse (210122000212), we get a palindrome (422122221224).

The spelling of 212000221012 in words is "two hundred twelve billion, two hundred twenty-one thousand, twelve".