12012102311331 has 8 divisors (see below), whose sum is σ = 16016220536400. Its totient is φ = 8008026146912.

The previous prime is 12012102311257. The next prime is 12012102311333. The reversal of 12012102311331 is 13311320121021.

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 12012102311331 - 2¹⁵ = 12012102278563 is a prime.

It is a super-2 number, since 2×12012102311331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12012102311298 and 12012102311307.

It is not an unprimeable number, because it can be changed into a prime (12012102311333) 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, 9842640 + ... + 10995533.

It is an arithmetic number, because the mean of its divisors is an integer number (2002027567050).

Almost surely, 2^{12012102311331} is an apocalyptic number.

12012102311331 is a deficient number, since it is larger than the sum of its proper divisors (4004118225069).

12012102311331 is a wasteful number, since it uses less digits than its factorization.

12012102311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21030325.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12012102311331 its reverse (13311320121021), we get a palindrome (25323422432352).

The spelling of 12012102311331 in words is "twelve trillion, twelve billion, one hundred two million, three hundred eleven thousand, three hundred thirty-one".