210120312201212 has 12 divisors (see below), whose sum is σ = 420240624402480. Its totient is φ = 90051562371936.

The previous prime is 210120312201167. The next prime is 210120312201223. The reversal of 210120312201212 is 212102213021012.

210120312201212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3752148432137 + ... + 3752148432192.

It is an arithmetic number, because the mean of its divisors is an integer number (35020052033540).

Almost surely, 2^{210120312201212} is an apocalyptic number.

It is an amenable number.

210120312201212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

210120312201212 is a wasteful number, since it uses less digits than its factorization.

210120312201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7504296864340 (or 7504296864338 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 210120312201212 its reverse (212102213021012), we get a palindrome (422222525222224).

The spelling of 210120312201212 in words is "two hundred ten trillion, one hundred twenty billion, three hundred twelve million, two hundred one thousand, two hundred twelve".