102012210228 has 24 divisors (see below), whose sum is σ = 239224619200. Its totient is φ = 33833194560.

The previous prime is 102012210221. The next prime is 102012210253. The reversal of 102012210228 is 822012210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012210221) 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, 21356953 + ... + 21361728.

Almost surely, 2^102012210228 is an apocalyptic number.

It is an amenable number.

102012210228 is an abundant number, since it is smaller than the sum of its proper divisors (137212408972).

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

102012210228 is a wasteful number, since it uses less digits than its factorization.

102012210228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42718887 (or 42718885 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 102012210228 its reverse (822012210201), we get a palindrome (924024420429).

The spelling of 102012210228 in words is "one hundred two billion, twelve million, two hundred ten thousand, two hundred twenty-eight".