102102122202012 has 48 divisors (see below), whose sum is σ = 264714396498720. Its totient is φ = 34033373346816.

The previous prime is 102102122201987. The next prime is 102102122202053. The reversal of 102102122202012 is 210202221201201.

It is a happy number.

102102122202012 is a `hidden beast` number, since 1 + 0 + 210 + 212 + 220 + 20 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3720903 + ... + 14766494.

It is an arithmetic number, because the mean of its divisors is an integer number (5514883260390).

Almost surely, 2^{102102122202012} is an apocalyptic number.

102102122202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102102122202012 is an abundant number, since it is smaller than the sum of its proper divisors (162612274296708).

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

102102122202012 is a wasteful number, since it uses less digits than its factorization.

102102122202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18538547 (or 18538539 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102102122202012 its reverse (210202221201201), we get a palindrome (312304343403213).

The spelling of 102102122202012 in words is "one hundred two trillion, one hundred two billion, one hundred twenty-two million, two hundred two thousand, twelve".