212021200012 has 24 divisors (see below), whose sum is σ = 387193637376. Its totient is φ = 101395029648.

The previous prime is 212021199979. The next prime is 212021200031. The reversal of 212021200012 is 210002120212.

It is a happy number.

212021200012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212021199965 and 212021200001.

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, 1596093 + ... + 1723819.

It is an arithmetic number, because the mean of its divisors is an integer number (16133068224).

Almost surely, 2^212021200012 is an apocalyptic number.

It is an amenable number.

212021200012 is a deficient number, since it is larger than the sum of its proper divisors (175172437364).

212021200012 is a wasteful number, since it uses less digits than its factorization.

212021200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145797 (or 145795 counting only the distinct ones).

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

Adding to 212021200012 its reverse (210002120212), we get a palindrome (422023320224).

The spelling of 212021200012 in words is "two hundred twelve billion, twenty-one million, two hundred thousand, twelve".