102120120210212 has 12 divisors (see below), whose sum is σ = 192457149627036. Its totient is φ = 47132363173920.

The previous prime is 102120120210203. The next prime is 102120120210301. The reversal of 102120120210212 is 212012021021201.

It can be written as a sum of positive squares in 2 ways, for example, as 9147636544036 + 92972483666176 = 3024506^2 + 9642224^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 981924232739 + ... + 981924232842.

It is an arithmetic number, because the mean of its divisors is an integer number (16038095802253).

Almost surely, 2^{102120120210212} is an apocalyptic number.

It is an amenable number.

102120120210212 is a deficient number, since it is larger than the sum of its proper divisors (90337029416824).

102120120210212 is a wasteful number, since it uses less digits than its factorization.

102120120210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963848465598 (or 1963848465596 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102120120210212 its reverse (212012021021201), we get a palindrome (314132141231413).

The spelling of 102120120210212 in words is "one hundred two trillion, one hundred twenty billion, one hundred twenty million, two hundred ten thousand, two hundred twelve".