210000221211012 has 12 divisors (see below), whose sum is σ = 490000516159056. Its totient is φ = 70000073737000.

The previous prime is 210000221210917. The next prime is 210000221211031. The reversal of 210000221211012 is 210112122000012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 210000221210982 and 210000221211000.

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, 8750009217114 + ... + 8750009217137.

It is an arithmetic number, because the mean of its divisors is an integer number (40833376346588).

Almost surely, 2^{210000221211012} is an apocalyptic number.

It is an amenable number.

210000221211012 is an abundant number, since it is smaller than the sum of its proper divisors (280000294948044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210000221211012 is a wasteful number, since it uses less digits than its factorization.

210000221211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17500018434258 (or 17500018434256 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210000221211012 its reverse (210112122000012), we get a palindrome (420112343211024).

The spelling of 210000221211012 in words is "two hundred ten trillion, two hundred twenty-one million, two hundred eleven thousand, twelve".