12250522145 has 8 divisors (see below), whose sum is σ = 14703707304. Its totient is φ = 9798363904.

The previous prime is 12250522121. The next prime is 12250522153. The reversal of 12250522145 is 54122505221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1309571344 + 10940950801 = 36188^2 + 104599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12250522145 - 2²⁸ = 11982086689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230234 + ... + 278403.

It is an arithmetic number, because the mean of its divisors is an integer number (1837963413).

Almost surely, 2^12250522145 is an apocalyptic number.

It is an amenable number.

12250522145 is a deficient number, since it is larger than the sum of its proper divisors (2453185159).

12250522145 is an equidigital number, since it uses as much as digits as its factorization.

12250522145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513459.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 12250522145 in words is "twelve billion, two hundred fifty million, five hundred twenty-two thousand, one hundred forty-five".