12252043355213 has 4 divisors (see below), whose sum is σ = 12304627232508. Its totient is φ = 12199459477920.

The previous prime is 12252043355173. The next prime is 12252043355243. The reversal of 12252043355213 is 31255334025221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4962923528644 + 7289119826569 = 2227762^2 + 2699837^2 .

It is a cyclic number.

It is not a de Polignac number, because 12252043355213 - 2⁴⁰ = 11152531727437 is a prime.

It is a super-2 number, since 2×12252043355213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252043355243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26291938298 + ... + 26291938763.

It is an arithmetic number, because the mean of its divisors is an integer number (3076156808127).

Almost surely, 2^{12252043355213} is an apocalyptic number.

It is an amenable number.

12252043355213 is a deficient number, since it is larger than the sum of its proper divisors (52583877295).

12252043355213 is an equidigital number, since it uses as much as digits as its factorization.

12252043355213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52583877294.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 12252043355213 in words is "twelve trillion, two hundred fifty-two billion, forty-three million, three hundred fifty-five thousand, two hundred thirteen".