102312032212 has 48 divisors (see below), whose sum is σ = 204661008720. Its totient is φ = 44334415872.

The previous prime is 102312032197. The next prime is 102312032213. The reversal of 102312032212 is 212230213201.

It can be written as a sum of positive squares in 8 ways, for example, as 22107526596 + 80204505616 = 148686^2 + 283204^2 .

It is a super-2 number, since 2×102312032212² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102312032212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312032213) 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, 220068 + ... + 503044.

It is an arithmetic number, because the mean of its divisors is an integer number (4263771015).

Almost surely, 2^102312032212 is an apocalyptic number.

It is an amenable number.

102312032212 is an abundant number, since it is smaller than the sum of its proper divisors (102348976508).

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

102312032212 is a wasteful number, since it uses less digits than its factorization.

102312032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283420 (or 283418 counting only the distinct ones).

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

Adding to 102312032212 its reverse (212230213201), we get a palindrome (314542245413).

The spelling of 102312032212 in words is "one hundred two billion, three hundred twelve million, thirty-two thousand, two hundred twelve".