12250450115 has 4 divisors (see below), whose sum is σ = 14700540144. Its totient is φ = 9800360088.

The previous prime is 12250450103. The next prime is 12250450117. The reversal of 12250450115 is 51105405221.

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

It is a cyclic number.

It is not a de Polignac number, because 12250450115 - 2¹⁴ = 12250433731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12250450117) 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, 1225045007 + ... + 1225045016.

It is an arithmetic number, because the mean of its divisors is an integer number (3675135036).

Almost surely, 2^12250450115 is an apocalyptic number.

12250450115 is a deficient number, since it is larger than the sum of its proper divisors (2450090029).

12250450115 is an equidigital number, since it uses as much as digits as its factorization.

12250450115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450090028.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 12250450115 its reverse (51105405221), we get a palindrome (63355855336).

The spelling of 12250450115 in words is "twelve billion, two hundred fifty million, four hundred fifty thousand, one hundred fifteen".