212100120022203 has 12 divisors (see below), whose sum is σ = 350133531465328. Its totient is φ = 121200068584080.

The previous prime is 212100120022163. The next prime is 212100120022211. The reversal of 212100120022203 is 302220021001212.

It is not a de Polignac number, because 212100120022203 - 2²⁵ = 212100086467771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212100120022223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1683334285828 + ... + 1683334285953.

Almost surely, 2^{212100120022203} is an apocalyptic number.

212100120022203 is a deficient number, since it is larger than the sum of its proper divisors (138033411443125).

212100120022203 is a wasteful number, since it uses less digits than its factorization.

212100120022203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366668571794 (or 3366668571791 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212100120022203 its reverse (302220021001212), we get a palindrome (514320141023415).

The spelling of 212100120022203 in words is "two hundred twelve trillion, one hundred billion, one hundred twenty million, twenty-two thousand, two hundred three".