12120203422311 has 8 divisors (see below), whose sum is σ = 16193184207744. Its totient is φ = 8063679125880.

The previous prime is 12120203422237. The next prime is 12120203422403. The reversal of 12120203422311 is 11322430202121.

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

It is not a de Polignac number, because 12120203422311 - 2¹¹ = 12120203420263 is a prime.

It is a super-2 number, since 2×12120203422311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120203423311) 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, 4114120531 + ... + 4114123476.

It is an arithmetic number, because the mean of its divisors is an integer number (2024148025968).

Almost surely, 2^{12120203422311} is an apocalyptic number.

12120203422311 is a deficient number, since it is larger than the sum of its proper divisors (4072980785433).

12120203422311 is an equidigital number, since it uses as much as digits as its factorization.

12120203422311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8228244501.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12120203422311 its reverse (11322430202121), we get a palindrome (23442633624432).

The spelling of 12120203422311 in words is "twelve trillion, one hundred twenty billion, two hundred three million, four hundred twenty-two thousand, three hundred eleven".