12105100532 has 36 divisors (see below), whose sum is σ = 24686990244. Its totient is φ = 5178539520.

The previous prime is 12105100517. The next prime is 12105100541. The reversal of 12105100532 is 23500150121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4029202576 + 8075897956 = 63476^2 + 89866^2 .

It is a super-3 number, since 3×12105100532³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53732 + ... + 164612.

It is an arithmetic number, because the mean of its divisors is an integer number (685749729).

Almost surely, 2^12105100532 is an apocalyptic number.

It is an amenable number.

12105100532 is an abundant number, since it is smaller than the sum of its proper divisors (12581889712).

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

12105100532 is a wasteful number, since it uses less digits than its factorization.

12105100532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111456 (or 111447 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 12105100532 its reverse (23500150121), we get a palindrome (35605250653).

The spelling of 12105100532 in words is "twelve billion, one hundred five million, one hundred thousand, five hundred thirty-two".