102101201101212 has 12 divisors (see below), whose sum is σ = 238236135902856. Its totient is φ = 34033733700400.

The previous prime is 102101201101189. The next prime is 102101201101247. The reversal of 102101201101212 is 212101102101201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 102101201101191 and 102101201101200.

It is a congruent number.

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, 4254216712539 + ... + 4254216712562.

It is an arithmetic number, because the mean of its divisors is an integer number (19853011325238).

Almost surely, 2^{102101201101212} is an apocalyptic number.

102101201101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102101201101212 is an abundant number, since it is smaller than the sum of its proper divisors (136134934801644).

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

102101201101212 is a wasteful number, since it uses less digits than its factorization.

102101201101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508433425108 (or 8508433425106 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102101201101212 its reverse (212101102101201), we get a palindrome (314202303202413).

The spelling of 102101201101212 in words is "one hundred two trillion, one hundred one billion, two hundred one million, one hundred one thousand, two hundred twelve".