12453103045 has 4 divisors (see below), whose sum is σ = 14943723660. Its totient is φ = 9962482432.

The previous prime is 12453103043. The next prime is 12453103051. The reversal of 12453103045 is 54030135421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3780651169 + 8672451876 = 61487^2 + 93126^2 .

It is a cyclic number.

It is not a de Polignac number, because 12453103045 - 2¹ = 12453103043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453103043) 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, 1245310300 + ... + 1245310309.

It is an arithmetic number, because the mean of its divisors is an integer number (3735930915).

Almost surely, 2^12453103045 is an apocalyptic number.

It is an amenable number.

12453103045 is a deficient number, since it is larger than the sum of its proper divisors (2490620615).

12453103045 is an equidigital number, since it uses as much as digits as its factorization.

12453103045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490620614.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 12453103045 its reverse (54030135421), we get a palindrome (66483238466).

The spelling of 12453103045 in words is "twelve billion, four hundred fifty-three million, one hundred three thousand, forty-five".