12452045506 has 4 divisors (see below), whose sum is σ = 18678068262. Its totient is φ = 6226022752.

The previous prime is 12452045461. The next prime is 12452045531. The reversal of 12452045506 is 60554025421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60554025421 = 136247 ⋅444443.

It can be written as a sum of positive squares in only one way, i.e., 6586783281 + 5865262225 = 81159^2 + 76585^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3113011375 + ... + 3113011378.

Almost surely, 2^12452045506 is an apocalyptic number.

12452045506 is a deficient number, since it is larger than the sum of its proper divisors (6226022756).

12452045506 is an equidigital number, since it uses as much as digits as its factorization.

12452045506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226022755.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 12452045506 in words is "twelve billion, four hundred fifty-two million, forty-five thousand, five hundred six".