13120057112 has 8 divisors (see below), whose sum is σ = 24600107100. Its totient is φ = 6560028552.

The previous prime is 13120056997. The next prime is 13120057117. The reversal of 13120057112 is 21175002131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120057117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820003562 + ... + 820003577.

Almost surely, 2^13120057112 is an apocalyptic number.

It is an amenable number.

13120057112 is a deficient number, since it is larger than the sum of its proper divisors (11480049988).

13120057112 is a wasteful number, since it uses less digits than its factorization.

13120057112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640007145 (or 1640007141 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

Adding to 13120057112 its reverse (21175002131), we get a palindrome (34295059243).

The spelling of 13120057112 in words is "thirteen billion, one hundred twenty million, fifty-seven thousand, one hundred twelve".