12482202181 has 4 divisors (see below), whose sum is σ = 12565975500. Its totient is φ = 12398428864.

The previous prime is 12482202149. The next prime is 12482202193. The reversal of 12482202181 is 18120228421.

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 2524158081 + 9958044100 = 50241^2 + 99790^2 .

It is a cyclic number.

It is not a de Polignac number, because 12482202181 - 2⁵ = 12482202149 is a prime.

It is a super-2 number, since 2×12482202181² (a number of 21 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 (12482202121) 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, 41886436 + ... + 41886733.

It is an arithmetic number, because the mean of its divisors is an integer number (3141493875).

Almost surely, 2^12482202181 is an apocalyptic number.

It is an amenable number.

12482202181 is a deficient number, since it is larger than the sum of its proper divisors (83773319).

12482202181 is an equidigital number, since it uses as much as digits as its factorization.

12482202181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83773318.

The product of its (nonzero) digits is 4096, while the sum is 31.

The spelling of 12482202181 in words is "twelve billion, four hundred eighty-two million, two hundred two thousand, one hundred eighty-one".