12257350445 has 4 divisors (see below), whose sum is σ = 14708820540. Its totient is φ = 9805880352.

The previous prime is 12257350429. The next prime is 12257350451. The reversal of 12257350445 is 54405375221.

12257350445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54405375221 = 7433 ⋅7319437.

It can be written as a sum of positive squares in 2 ways, for example, as 8630781604 + 3626568841 = 92902^2 + 60221^2 .

It is a cyclic number.

It is not a de Polignac number, because 12257350445 - 2⁴ = 12257350429 is a prime.

It is a super-4 number, since 4×12257350445⁴ (a number of 41 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12257350399 and 12257350408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225735040 + ... + 1225735049.

It is an arithmetic number, because the mean of its divisors is an integer number (3677205135).

Almost surely, 2^12257350445 is an apocalyptic number.

It is an amenable number.

12257350445 is a deficient number, since it is larger than the sum of its proper divisors (2451470095).

12257350445 is an equidigital number, since it uses as much as digits as its factorization.

12257350445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451470094.

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 12257350445 in words is "twelve billion, two hundred fifty-seven million, three hundred fifty thousand, four hundred forty-five".