12120131444444 has 12 divisors (see below), whose sum is σ = 21210455275968. Its totient is φ = 6060001365600.

The previous prime is 12120131444431. The next prime is 12120131444503. The reversal of 12120131444444 is 44444413102121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15664172 + ... + 16419699.

It is an arithmetic number, because the mean of its divisors is an integer number (1767537939664).

Almost surely, 2^{12120131444444} is an apocalyptic number.

It is an amenable number.

12120131444444 is a deficient number, since it is larger than the sum of its proper divisors (9090323831524).

12120131444444 is a wasteful number, since it uses less digits than its factorization.

12120131444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32178316 (or 32178314 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

Adding to 12120131444444 its reverse (44444413102121), we get a palindrome (56564544546565).

The spelling of 12120131444444 in words is "twelve trillion, one hundred twenty billion, one hundred thirty-one million, four hundred forty-four thousand, four hundred forty-four".