12032202100 has 54 divisors (see below), whose sum is σ = 26677717430. Its totient is φ = 4710392640.

The previous prime is 12032202097. The next prime is 12032202107. The reversal of 12032202100 is 120223021.

It can be written as a sum of positive squares in 3 ways, for example, as 1611059044 + 10421143056 = 40138^2 + 102084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032202107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 193666 + ... + 248134.

Almost surely, 2^12032202100 is an apocalyptic number.

12032202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12032202100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13338858715).

12032202100 is an abundant number, since it is smaller than the sum of its proper divisors (14645515330).

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

12032202100 is a wasteful number, since it uses less digits than its factorization.

12032202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54577 (or 54523 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12032202100 its reverse (120223021), we get a palindrome (12152425121).

The spelling of 12032202100 in words is "twelve billion, thirty-two million, two hundred two thousand, one hundred".