12251445445241 has 4 divisors (see below), whose sum is σ = 12251601428352. Its totient is φ = 12251289462132.

The previous prime is 12251445445199. The next prime is 12251445445243. The reversal of 12251445445241 is 14254454415221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12251445445241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12251445445192 and 12251445445201.

It is not an unprimeable number, because it can be changed into a prime (12251445445243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77873681 + ... + 78030846.

It is an arithmetic number, because the mean of its divisors is an integer number (3062900357088).

Almost surely, 2^{12251445445241} is an apocalyptic number.

It is an amenable number.

12251445445241 is a deficient number, since it is larger than the sum of its proper divisors (155983111).

12251445445241 is an equidigital number, since it uses as much as digits as its factorization.

12251445445241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155983110.

The product of its digits is 1024000, while the sum is 44.

The spelling of 12251445445241 in words is "twelve trillion, two hundred fifty-one billion, four hundred forty-five million, four hundred forty-five thousand, two hundred forty-one".