12120311212303 has 24 divisors (see below), whose sum is σ = 14841645932400. Its totient is φ = 9841759780608.

The previous prime is 12120311212301. The next prime is 12120311212313. The reversal of 12120311212303 is 30321211302121.

12120311212303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12120311212303 - 2¹ = 12120311212301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120311212301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33774151 + ... + 34131127.

It is an arithmetic number, because the mean of its divisors is an integer number (618401913850).

Almost surely, 2^{12120311212303} is an apocalyptic number.

12120311212303 is a deficient number, since it is larger than the sum of its proper divisors (2721334720097).

12120311212303 is a wasteful number, since it uses less digits than its factorization.

12120311212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393479 (or 393472 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12120311212303 its reverse (30321211302121), we get a palindrome (42441522514424).

The spelling of 12120311212303 in words is "twelve trillion, one hundred twenty billion, three hundred eleven million, two hundred twelve thousand, three hundred three".