102323220312 has 64 divisors (see below), whose sum is σ = 271654704000. Its totient is φ = 32026627584.

The previous prime is 102323220253. The next prime is 102323220313. The reversal of 102323220312 is 213022323201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102323220313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941362 + ... + 1044417.

It is an arithmetic number, because the mean of its divisors is an integer number (4244604750).

Almost surely, 2^102323220312 is an apocalyptic number.

102323220312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102323220312 is an abundant number, since it is smaller than the sum of its proper divisors (169331483688).

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

102323220312 is a wasteful number, since it uses less digits than its factorization.

102323220312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985920 (or 1985916 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 102323220312 its reverse (213022323201), we get a palindrome (315345543513).

The spelling of 102323220312 in words is "one hundred two billion, three hundred twenty-three million, two hundred twenty thousand, three hundred twelve".