102002111211012 has 12 divisors (see below), whose sum is σ = 238004926159056. Its totient is φ = 34000703737000.

The previous prime is 102002111210969. The next prime is 102002111211023. The reversal of 102002111211012 is 210112111200201.

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 = 102002111210982 and 102002111211000.

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, 4250087967114 + ... + 4250087967137.

It is an arithmetic number, because the mean of its divisors is an integer number (19833743846588).

Almost surely, 2^{102002111211012} is an apocalyptic number.

102002111211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102002111211012 is an abundant number, since it is smaller than the sum of its proper divisors (136002814948044).

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

102002111211012 is a wasteful number, since it uses less digits than its factorization.

102002111211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500175934258 (or 8500175934256 counting only the distinct ones).

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

Adding to 102002111211012 its reverse (210112111200201), we get a palindrome (312114222411213).

The spelling of 102002111211012 in words is "one hundred two trillion, two billion, one hundred eleven million, two hundred eleven thousand, twelve".