212120022220202 has 32 divisors (see below), whose sum is σ = 329923347640320. Its totient is φ = 102176413148160.

The previous prime is 212120022220199. The next prime is 212120022220207. The reversal of 212120022220202 is 202022220021212.

It is not an unprimeable number, because it can be changed into a prime (212120022220207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869104778 + ... + 869348810.

It is an arithmetic number, because the mean of its divisors is an integer number (10310104613760).

Almost surely, 2^{212120022220202} is an apocalyptic number.

212120022220202 is a deficient number, since it is larger than the sum of its proper divisors (117803325420118).

212120022220202 is a wasteful number, since it uses less digits than its factorization.

212120022220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307158.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 212120022220202 its reverse (202022220021212), we get a palindrome (414142242241414).

The spelling of 212120022220202 in words is "two hundred twelve trillion, one hundred twenty billion, twenty-two million, two hundred twenty thousand, two hundred two".