102312222132 has 48 divisors (see below), whose sum is σ = 255183852672. Its totient is φ = 31825643520.

The previous prime is 102312222127. The next prime is 102312222149. The reversal of 102312222132 is 231222213201.

It is a junction number, because it is equal to n+sod(n) for n = 102312222099 and 102312222108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4509373 + ... + 4532004.

It is an arithmetic number, because the mean of its divisors is an integer number (5316330264).

Almost surely, 2^102312222132 is an apocalyptic number.

102312222132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102312222132 is an abundant number, since it is smaller than the sum of its proper divisors (152871630540).

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

102312222132 is a wasteful number, since it uses less digits than its factorization.

102312222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9041448 (or 9041446 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102312222132 its reverse (231222213201), we get a palindrome (333534435333).

The spelling of 102312222132 in words is "one hundred two billion, three hundred twelve million, two hundred twenty-two thousand, one hundred thirty-two".