212100122102010 has 32 divisors (see below), whose sum is σ = 509047466628672. Its totient is φ = 56559235495680.

The previous prime is 212100122101997. The next prime is 212100122102051. The reversal of 212100122102010 is 10201221001212.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 47650719 + ... + 51911378.

It is an arithmetic number, because the mean of its divisors is an integer number (15907733332146).

Almost surely, 2^{212100122102010} is an apocalyptic number.

212100122102010 is an abundant number, since it is smaller than the sum of its proper divisors (296947344526662).

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

212100122102010 is a wasteful number, since it uses less digits than its factorization.

212100122102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99633118.

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

Adding to 212100122102010 its reverse (10201221001212), we get a palindrome (222301343103222).

The spelling of 212100122102010 in words is "two hundred twelve trillion, one hundred billion, one hundred twenty-two million, one hundred two thousand, ten".