102212103220 has 144 divisors (see below), whose sum is σ = 247609571328. Its totient is φ = 35277327360.

The previous prime is 102212103167. The next prime is 102212103233. The reversal of 102212103220 is 22301212201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102212103194 and 102212103203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3791509 + ... + 3818371.

It is an arithmetic number, because the mean of its divisors is an integer number (1719510912).

Almost surely, 2^102212103220 is an apocalyptic number.

102212103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102212103220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123804785664).

102212103220 is an abundant number, since it is smaller than the sum of its proper divisors (145397468108).

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

102212103220 is a wasteful number, since it uses less digits than its factorization.

102212103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26958 (or 26937 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102212103220 its reverse (22301212201), we get a palindrome (124513315421).

The spelling of 102212103220 in words is "one hundred two billion, two hundred twelve million, one hundred three thousand, two hundred twenty".