13120042231012 has 24 divisors (see below), whose sum is σ = 23583517778016. Its totient is φ = 6384253590528.

The previous prime is 13120042230983. The next prime is 13120042231067. The reversal of 13120042231012 is 21013224002131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294889693 + ... + 294934180.

It is an arithmetic number, because the mean of its divisors is an integer number (982646574084).

Almost surely, 2^{13120042231012} is an apocalyptic number.

It is an amenable number.

13120042231012 is a deficient number, since it is larger than the sum of its proper divisors (10463475547004).

13120042231012 is a wasteful number, since it uses less digits than its factorization.

13120042231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589824027 (or 589824025 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13120042231012 its reverse (21013224002131), we get a palindrome (34133266233143).

The spelling of 13120042231012 in words is "thirteen trillion, one hundred twenty billion, forty-two million, two hundred thirty-one thousand, twelve".