210022121212212 has 72 divisors (see below), whose sum is σ = 525552228040896. Its totient is φ = 65153748413952.

The previous prime is 210022121212171. The next prime is 210022121212297. The reversal of 210022121212212 is 212212121220012.

210022121212212 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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277543893 + ... + 278299580.

It is an arithmetic number, because the mean of its divisors is an integer number (7299336500568).

Almost surely, 2^{210022121212212} is an apocalyptic number.

It is an amenable number.

210022121212212 is an abundant number, since it is smaller than the sum of its proper divisors (315530106828684).

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

210022121212212 is a wasteful number, since it uses less digits than its factorization.

210022121212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555843577 (or 555843538 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 210022121212212 its reverse (212212121220012), we get a palindrome (422234242432224).

The spelling of 210022121212212 in words is "two hundred ten trillion, twenty-two billion, one hundred twenty-one million, two hundred twelve thousand, two hundred twelve".