212101200121002 has 16 divisors (see below), whose sum is σ = 424202815696320. Its totient is φ = 70700330797952.

The previous prime is 212101200120967. The next prime is 212101200121033. The reversal of 212101200121002 is 200121002101212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10465518 + ... + 23102585.

It is an arithmetic number, because the mean of its divisors is an integer number (26512675981020).

Almost surely, 2^{212101200121002} is an apocalyptic number.

212101200121002 is an abundant number, since it is smaller than the sum of its proper divisors (212101615575318).

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

212101200121002 is a wasteful number, since it uses less digits than its factorization.

212101200121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34621197.

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

Adding to 212101200121002 its reverse (200121002101212), we get a palindrome (412222202222214).

The spelling of 212101200121002 in words is "two hundred twelve trillion, one hundred one billion, two hundred million, one hundred twenty-one thousand, two".