212100201100122 has 32 divisors (see below), whose sum is σ = 424946871670464. Its totient is φ = 70575657532800.

The previous prime is 212100201100061. The next prime is 212100201100159. The reversal of 212100201100122 is 221001102001212.

212100201100122 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 636922222 + ... + 637255142.

It is an arithmetic number, because the mean of its divisors is an integer number (13279589739702).

Almost surely, 2^{212100201100122} is an apocalyptic number.

212100201100122 is an abundant number, since it is smaller than the sum of its proper divisors (212846670570342).

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

212100201100122 is a wasteful number, since it uses less digits than its factorization.

212100201100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519454.

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

Adding to 212100201100122 its reverse (221001102001212), we get a palindrome (433101303101334).

The spelling of 212100201100122 in words is "two hundred twelve trillion, one hundred billion, two hundred one million, one hundred thousand, one hundred twenty-two".