20120212210222 has 8 divisors (see below), whose sum is σ = 30197245027536. Its totient is φ = 10054463867712.

The previous prime is 20120212210213. The next prime is 20120212210237. The reversal of 20120212210222 is 22201221202102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20120212210222.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2821114243 + ... + 2821121374.

It is an arithmetic number, because the mean of its divisors is an integer number (3774655628442).

Almost surely, 2^{20120212210222} is an apocalyptic number.

20120212210222 is a deficient number, since it is larger than the sum of its proper divisors (10077032817314).

20120212210222 is a wasteful number, since it uses less digits than its factorization.

20120212210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642237402.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20120212210222 its reverse (22201221202102), we get a palindrome (42321433412324).

The spelling of 20120212210222 in words is "twenty trillion, one hundred twenty billion, two hundred twelve million, two hundred ten thousand, two hundred twenty-two".