210120120212 has 12 divisors (see below), whose sum is σ = 367713520020. Its totient is φ = 105059114496.

The previous prime is 210120120211. The next prime is 210120120229. The reversal of 210120120212 is 212021021012.

It can be written as a sum of positive squares in 2 ways, for example, as 8470625296 + 201649494916 = 92036^2 + 449054^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120120211) 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 3 ways as a sum of consecutive naturals, for example, 566708 + ... + 861044.

It is an arithmetic number, because the mean of its divisors is an integer number (30642793335).

Almost surely, 2^210120120212 is an apocalyptic number.

It is an amenable number.

210120120212 is a deficient number, since it is larger than the sum of its proper divisors (157593399808).

210120120212 is a wasteful number, since it uses less digits than its factorization.

210120120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472810 (or 472808 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210120120212 its reverse (212021021012), we get a palindrome (422141141224).

The spelling of 210120120212 in words is "two hundred ten billion, one hundred twenty million, one hundred twenty thousand, two hundred twelve".