102431222112 has 96 divisors (see below), whose sum is σ = 274046976000. Its totient is φ = 33493920768.

The previous prime is 102431222071. The next prime is 102431222123. The reversal of 102431222112 is 211222134201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1037889 + ... + 1132287.

It is an arithmetic number, because the mean of its divisors is an integer number (2854656000).

Almost surely, 2^102431222112 is an apocalyptic number.

102431222112 is a gapful number since it is divisible by the number (12) 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 102431222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137023488000).

102431222112 is an abundant number, since it is smaller than the sum of its proper divisors (171615753888).

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

102431222112 is a wasteful number, since it uses less digits than its factorization.

102431222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94628 (or 94620 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 102431222112 its reverse (211222134201), we get a palindrome (313653356313).

The spelling of 102431222112 in words is "one hundred two billion, four hundred thirty-one million, two hundred twenty-two thousand, one hundred twelve".