102223021312 has 36 divisors (see below), whose sum is σ = 207092242336. Its totient is φ = 50348643840.

The previous prime is 102223021309. The next prime is 102223021319. The reversal of 102223021312 is 213120322201.

It is a self number, because there is not a number n which added to its sum of digits gives 102223021312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102223021319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2962764 + ... + 2997067.

Almost surely, 2^102223021312 is an apocalyptic number.

It is an amenable number.

102223021312 is an abundant number, since it is smaller than the sum of its proper divisors (104869221024).

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

102223021312 is an frugal number, since it uses more digits than its factorization.

102223021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5959914 (or 5959900 counting only the distinct ones).

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

Adding to 102223021312 its reverse (213120322201), we get a palindrome (315343343513).

The spelling of 102223021312 in words is "one hundred two billion, two hundred twenty-three million, twenty-one thousand, three hundred twelve".