102102123231012 has 12 divisors (see below), whose sum is σ = 238238287539056. Its totient is φ = 34034041077000.

The previous prime is 102102123230983. The next prime is 102102123231023. The reversal of 102102123231012 is 210132321201201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102102123231012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4254255134614 + ... + 4254255134637.

Almost surely, 2^{102102123231012} is an apocalyptic number.

102102123231012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102102123231012 is an abundant number, since it is smaller than the sum of its proper divisors (136136164308044).

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

102102123231012 is a wasteful number, since it uses less digits than its factorization.

102102123231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508510269258 (or 8508510269256 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 102102123231012 its reverse (210132321201201), we get a palindrome (312234444432213).

The spelling of 102102123231012 in words is "one hundred two trillion, one hundred two billion, one hundred twenty-three million, two hundred thirty-one thousand, twelve".