12100221001232 has 40 divisors (see below), whose sum is σ = 28854373160256. Its totient is φ = 4786900615296.

The previous prime is 12100221001181. The next prime is 12100221001237. The reversal of 12100221001232 is 23210012200121.

It is a self number, because there is not a number n which added to its sum of digits gives 12100221001232.

It is not an unprimeable number, because it can be changed into a prime (12100221001237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4155294218 + ... + 4155297129.

Almost surely, 2^{12100221001232} is an apocalyptic number.

It is an amenable number.

12100221001232 is an abundant number, since it is smaller than the sum of its proper divisors (16754152159024).

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

12100221001232 is a wasteful number, since it uses less digits than its factorization.

12100221001232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8310591375 (or 8310591369 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12100221001232 its reverse (23210012200121), we get a palindrome (35310233201353).

The spelling of 12100221001232 in words is "twelve trillion, one hundred billion, two hundred twenty-one million, one thousand, two hundred thirty-two".