212222120120102 has 16 divisors (see below), whose sum is σ = 340275552093792. Its totient is φ = 99021986057280.

The previous prime is 212222120120083. The next prime is 212222120120107. The reversal of 212222120120102 is 201021021222212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222120120107) 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 7 ways as a sum of consecutive naturals, for example, 56262490193 + ... + 56262493964.

It is an arithmetic number, because the mean of its divisors is an integer number (21267222005862).

Almost surely, 2^{212222120120102} is an apocalyptic number.

212222120120102 is a deficient number, since it is larger than the sum of its proper divisors (128053431973690).

212222120120102 is a wasteful number, since it uses less digits than its factorization.

212222120120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112524984223.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212222120120102 its reverse (201021021222212), we get a palindrome (413243141342314).

The spelling of 212222120120102 in words is "two hundred twelve trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twenty thousand, one hundred two".