102212443212 has 24 divisors (see below), whose sum is σ = 260177128512. Its totient is φ = 30973467600.

The previous prime is 102212443171. The next prime is 102212443231. The reversal of 102212443212 is 212344212201.

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, 387168214 + ... + 387168477.

It is an arithmetic number, because the mean of its divisors is an integer number (10840713688).

Almost surely, 2^102212443212 is an apocalyptic number.

102212443212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102212443212 is an abundant number, since it is smaller than the sum of its proper divisors (157964685300).

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

102212443212 is a wasteful number, since it uses less digits than its factorization.

102212443212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774336709 (or 774336707 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 102212443212 its reverse (212344212201), we get a palindrome (314556655413).

The spelling of 102212443212 in words is "one hundred two billion, two hundred twelve million, four hundred forty-three thousand, two hundred twelve".