212021121268 has 12 divisors (see below), whose sum is σ = 404767595232. Its totient is φ = 96373236920.

The previous prime is 212021121227. The next prime is 212021121269. The reversal of 212021121268 is 862121120212.

212021121268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021121269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2409330880 + ... + 2409330967.

It is an arithmetic number, because the mean of its divisors is an integer number (33730632936).

Almost surely, 2^212021121268 is an apocalyptic number.

It is an amenable number.

212021121268 is a deficient number, since it is larger than the sum of its proper divisors (192746473964).

212021121268 is a wasteful number, since it uses less digits than its factorization.

212021121268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818661862 (or 4818661860 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The spelling of 212021121268 in words is "two hundred twelve billion, twenty-one million, one hundred twenty-one thousand, two hundred sixty-eight".