212000001121201 has 4 divisors (see below), whose sum is σ = 212107451706612. Its totient is φ = 211892550535792.

The previous prime is 212000001121157. The next prime is 212000001121213. The reversal of 212000001121201 is 102121100000212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115306684229025 + 96693316892176 = 10738095^2 + 9833276^2 .

It is a cyclic number.

It is not a de Polignac number, because 212000001121201 - 2²⁹ = 211999464250289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212000001121241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53725289746 + ... + 53725293691.

It is an arithmetic number, because the mean of its divisors is an integer number (53026862926653).

Almost surely, 2^{212000001121201} is an apocalyptic number.

It is an amenable number.

212000001121201 is a deficient number, since it is larger than the sum of its proper divisors (107450585411).

212000001121201 is a wasteful number, since it uses less digits than its factorization.

212000001121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107450585410.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212000001121201 its reverse (102121100000212), we get a palindrome (314121101121413).

The spelling of 212000001121201 in words is "two hundred twelve trillion, one million, one hundred twenty-one thousand, two hundred one".