212001212121022 has 32 divisors (see below), whose sum is σ = 324653874884640. Its totient is φ = 103798768634880.

The previous prime is 212001212121019. The next prime is 212001212121067. The reversal of 212001212121022 is 220121212100212.

212001212121022 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 15 ways as a sum of consecutive naturals, for example, 638374554 + ... + 638706562.

It is an arithmetic number, because the mean of its divisors is an integer number (10145433590145).

Almost surely, 2^{212001212121022} is an apocalyptic number.

212001212121022 is a deficient number, since it is larger than the sum of its proper divisors (112652662763618).

212001212121022 is a wasteful number, since it uses less digits than its factorization.

212001212121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355356.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212001212121022 its reverse (220121212100212), we get a palindrome (432122424221234).

The spelling of 212001212121022 in words is "two hundred twelve trillion, one billion, two hundred twelve million, one hundred twenty-one thousand, twenty-two".