12120221121133 has 8 divisors (see below), whose sum is σ = 12122320177656. Its totient is φ = 12118122240000.

The previous prime is 12120221121131. The next prime is 12120221121139. The reversal of 12120221121133 is 33112112202121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3743520693124 + 8376700428009 = 1934818^2 + 2894253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12120221121133 - 2¹ = 12120221121131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120221121131) 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, 235222413 + ... + 235273933.

It is an arithmetic number, because the mean of its divisors is an integer number (1515290022207).

Almost surely, 2^{12120221121133} is an apocalyptic number.

It is an amenable number.

12120221121133 is a deficient number, since it is larger than the sum of its proper divisors (2099056523).

12120221121133 is an equidigital number, since it uses as much as digits as its factorization.

12120221121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87695.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12120221121133 its reverse (33112112202121), we get a palindrome (45232333323254).

The spelling of 12120221121133 in words is "twelve trillion, one hundred twenty billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred thirty-three".