12252325134145 has 4 divisors (see below), whose sum is σ = 14702790160980. Its totient is φ = 9801860107312.

The previous prime is 12252325134103. The next prime is 12252325134173. The reversal of 12252325134145 is 54143152325221.

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 6671207105424 + 5581118028721 = 2582868^2 + 2362439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12252325134145 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12252325134098 and 12252325134107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225232513410 + ... + 1225232513419.

It is an arithmetic number, because the mean of its divisors is an integer number (3675697540245).

Almost surely, 2^{12252325134145} is an apocalyptic number.

It is an amenable number.

12252325134145 is a deficient number, since it is larger than the sum of its proper divisors (2450465026835).

12252325134145 is an equidigital number, since it uses as much as digits as its factorization.

12252325134145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450465026834.

The product of its digits is 288000, while the sum is 40.

Adding to 12252325134145 its reverse (54143152325221), we get a palindrome (66395477459366).

The spelling of 12252325134145 in words is "twelve trillion, two hundred fifty-two billion, three hundred twenty-five million, one hundred thirty-four thousand, one hundred forty-five".