102212323212 has 24 divisors (see below), whose sum is σ = 238521214512. Its totient is φ = 34067089600.

The previous prime is 102212323093. The next prime is 102212323223. The reversal of 102212323212 is 212323212201.

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, 343839 + ... + 568022.

It is an arithmetic number, because the mean of its divisors is an integer number (9938383938).

Almost surely, 2^102212323212 is an apocalyptic number.

102212323212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102212323212 is an abundant number, since it is smaller than the sum of its proper divisors (136308891300).

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

102212323212 is a wasteful number, since it uses less digits than its factorization.

102212323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921209 (or 921207 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102212323212 its reverse (212323212201), we get a palindrome (314535535413).

The spelling of 102212323212 in words is "one hundred two billion, two hundred twelve million, three hundred twenty-three thousand, two hundred twelve".