102212133220 has 24 divisors (see below), whose sum is σ = 214790474808. Its totient is φ = 40857235200.

The previous prime is 102212133211. The next prime is 102212133227. The reversal of 102212133220 is 22331212201.

It can be written as a sum of positive squares in 4 ways, for example, as 3208769316 + 99003363904 = 56646^2 + 314648^2 .

It is not an unprimeable number, because it can be changed into a prime (102212133227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695771 + ... + 1755010.

It is an arithmetic number, because the mean of its divisors is an integer number (8949603117).

Almost surely, 2^102212133220 is an apocalyptic number.

102212133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102212133220 is an abundant number, since it is smaller than the sum of its proper divisors (112578341588).

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

102212133220 is a wasteful number, since it uses less digits than its factorization.

102212133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452271 (or 3452269 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102212133220 its reverse (22331212201), we get a palindrome (124543345421).

The spelling of 102212133220 in words is "one hundred two billion, two hundred twelve million, one hundred thirty-three thousand, two hundred twenty".