212000002202120 has 64 divisors (see below), whose sum is σ = 520366610534400. Its totient is φ = 77090470074880.

The previous prime is 212000002202101. The next prime is 212000002202129. The reversal of 212000002202120 is 21202200000212.

It is a junction number, because it is equal to n+sod(n) for n = 212000002202095 and 212000002202104.

It is not an unprimeable number, because it can be changed into a prime (212000002202129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81509612 + ... + 84070308.

It is an arithmetic number, because the mean of its divisors is an integer number (8130728289600).

Almost surely, 2^{212000002202120} is an apocalyptic number.

212000002202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212000002202120 is an abundant number, since it is smaller than the sum of its proper divisors (308366608332280).

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

212000002202120 is a wasteful number, since it uses less digits than its factorization.

212000002202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748878 (or 2748874 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212000002202120 its reverse (21202200000212), we get a palindrome (233202202202332).

The spelling of 212000002202120 in words is "two hundred twelve trillion, two million, two hundred two thousand, one hundred twenty".