102102101212 has 12 divisors (see below), whose sum is σ = 178731392896. Its totient is φ = 51035988960.

The previous prime is 102102101203. The next prime is 102102101261. The reversal of 102102101212 is 212101201201.

It is a junction number, because it is equal to n+sod(n) for n = 102102101192 and 102102101201.

It is a congruent number.

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, 3750153 + ... + 3777280.

Almost surely, 2^102102101212 is an apocalyptic number.

It is an amenable number.

102102101212 is a deficient number, since it is larger than the sum of its proper divisors (76629291684).

102102101212 is a wasteful number, since it uses less digits than its factorization.

102102101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530828 (or 7530826 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102102101212 its reverse (212101201201), we get a palindrome (314203302413).

The spelling of 102102101212 in words is "one hundred two billion, one hundred two million, one hundred one thousand, two hundred twelve".