12120500144 has 10 divisors (see below), whose sum is σ = 23483469060. Its totient is φ = 6060250064.

The previous prime is 12120500137. The next prime is 12120500153. The reversal of 12120500144 is 44100502121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378765614 + ... + 378765645.

It is an arithmetic number, because the mean of its divisors is an integer number (2348346906).

Almost surely, 2^12120500144 is an apocalyptic number.

It is an amenable number.

12120500144 is a deficient number, since it is larger than the sum of its proper divisors (11362968916).

12120500144 is an equidigital number, since it uses as much as digits as its factorization.

12120500144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757531267 (or 757531261 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The spelling of 12120500144 in words is "twelve billion, one hundred twenty million, five hundred thousand, one hundred forty-four".