102216327212 has 24 divisors (see below), whose sum is σ = 179755692480. Its totient is φ = 50858170880.

The previous prime is 102216327179. The next prime is 102216327223. The reversal of 102216327212 is 212723612201.

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, 594428 + ... + 746844.

It is an arithmetic number, because the mean of its divisors is an integer number (7489820520).

Almost surely, 2^102216327212 is an apocalyptic number.

It is an amenable number.

102216327212 is a deficient number, since it is larger than the sum of its proper divisors (77539365268).

102216327212 is a wasteful number, since it uses less digits than its factorization.

102216327212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153241 (or 153239 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 102216327212 its reverse (212723612201), we get a palindrome (314939939413).

The spelling of 102216327212 in words is "one hundred two billion, two hundred sixteen million, three hundred twenty-seven thousand, two hundred twelve".