102102112212 has 24 divisors (see below), whose sum is σ = 238791030912. Its totient is φ = 33955070400.

The previous prime is 102102112207. The next prime is 102102112223. The reversal of 102102112212 is 212211201201.

It is a junction number, because it is equal to n+sod(n) for n = 102102112191 and 102102112200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9865489 + ... + 9875832.

It is an arithmetic number, because the mean of its divisors is an integer number (9949626288).

Almost surely, 2^102102112212 is an apocalyptic number.

102102112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102102112212 is an abundant number, since it is smaller than the sum of its proper divisors (136688918700).

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

102102112212 is a wasteful number, since it uses less digits than its factorization.

102102112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19741759 (or 19741757 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102102112212 its reverse (212211201201), we get a palindrome (314313313413).

The spelling of 102102112212 in words is "one hundred two billion, one hundred two million, one hundred twelve thousand, two hundred twelve".