12112221203332 has 24 divisors (see below), whose sum is σ = 22444461249336. Its totient is φ = 5699556968448.

The previous prime is 12112221203317. The next prime is 12112221203353. The reversal of 12112221203332 is 23330212221121.

It can be written as a sum of positive squares in 4 ways, for example, as 927049311556 + 11185171891776 = 962834^2 + 3344424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12112221203297 and 12112221203306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3617953 + ... + 6108520.

It is an arithmetic number, because the mean of its divisors is an integer number (935185885389).

Almost surely, 2^{12112221203332} is an apocalyptic number.

It is an amenable number.

12112221203332 is a deficient number, since it is larger than the sum of its proper divisors (10332240046004).

12112221203332 is a wasteful number, since it uses less digits than its factorization.

12112221203332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9744807 (or 9744805 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12112221203332 its reverse (23330212221121), we get a palindrome (35442433424453).

The spelling of 12112221203332 in words is "twelve trillion, one hundred twelve billion, two hundred twenty-one million, two hundred three thousand, three hundred thirty-two".