12120250513 has 16 divisors (see below), whose sum is σ = 14631079936. Its totient is φ = 9819850320.

The previous prime is 12120250511. The next prime is 12120250529. The reversal of 12120250513 is 31505202121.

It is not a de Polignac number, because 12120250513 - 2¹ = 12120250511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120250511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640131 + ... + 658792.

It is an arithmetic number, because the mean of its divisors is an integer number (914442496).

Almost surely, 2^12120250513 is an apocalyptic number.

It is an amenable number.

12120250513 is a deficient number, since it is larger than the sum of its proper divisors (2510829423).

12120250513 is a wasteful number, since it uses less digits than its factorization.

12120250513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299004.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 12120250513 its reverse (31505202121), we get a palindrome (43625452634).

The spelling of 12120250513 in words is "twelve billion, one hundred twenty million, two hundred fifty thousand, five hundred thirteen".