102231321312 has 96 divisors (see below), whose sum is σ = 290188749312. Its totient is φ = 31390152704.

The previous prime is 102231321299. The next prime is 102231321317. The reversal of 102231321312 is 213123132201.

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

It is a super-3 number, since 3×102231321312³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102231321317) 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, 589698 + ... + 743105.

It is an arithmetic number, because the mean of its divisors is an integer number (3022799472).

Almost surely, 2^102231321312 is an apocalyptic number.

102231321312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102231321312 is an abundant number, since it is smaller than the sum of its proper divisors (187957428000).

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

102231321312 is a wasteful number, since it uses less digits than its factorization.

102231321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332880 (or 1332872 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 102231321312 its reverse (213123132201), we get a palindrome (315354453513).

The spelling of 102231321312 in words is "one hundred two billion, two hundred thirty-one million, three hundred twenty-one thousand, three hundred twelve".