12252044025221 has 32 divisors (see below), whose sum is σ = 16458553590528. Its totient is φ = 8808235799040.

The previous prime is 12252044025217. The next prime is 12252044025229.

12252044025221 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 12252044025221 - 2² = 12252044025217 is a prime.

It is a super-2 number, since 2×12252044025221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252044025229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1075706 + ... + 5065691.

It is an arithmetic number, because the mean of its divisors is an integer number (514329799704).

Almost surely, 2^{12252044025221} is an apocalyptic number.

12252044025221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12252044025221 is a deficient number, since it is larger than the sum of its proper divisors (4206509565307).

12252044025221 is a wasteful number, since it uses less digits than its factorization.

12252044025221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143421.

The product of its (nonzero) digits is 25600, while the sum is 32.

The spelling of 12252044025221 in words is "twelve trillion, two hundred fifty-two billion, forty-four million, twenty-five thousand, two hundred twenty-one".