12452050013 has 4 divisors (see below), whose sum is σ = 13409900028. Its totient is φ = 11494200000.

The previous prime is 12452049997. The next prime is 12452050057. The reversal of 12452050013 is 31005025421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31005025421 = 17467 ⋅1775063.

It can be written as a sum of positive squares in 2 ways, for example, as 2607838489 + 9844211524 = 51067^2 + 99218^2 .

It is a cyclic number.

It is not a de Polignac number, because 12452050013 - 2⁴ = 12452049997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12452050213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478924988 + ... + 478925013.

It is an arithmetic number, because the mean of its divisors is an integer number (3352475007).

Almost surely, 2^12452050013 is an apocalyptic number.

12452050013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12452050013 is a deficient number, since it is larger than the sum of its proper divisors (957850015).

12452050013 is an equidigital number, since it uses as much as digits as its factorization.

12452050013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957850014.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 12452050013 its reverse (31005025421), we get a palindrome (43457075434).

The spelling of 12452050013 in words is "twelve billion, four hundred fifty-two million, fifty thousand, thirteen".