12403034645 has 4 divisors (see below), whose sum is σ = 14883641580. Its totient is φ = 9922427712.

The previous prime is 12403034629. The next prime is 12403034647. The reversal of 12403034645 is 54643030421.

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 4632435844 + 7770598801 = 68062^2 + 88151^2 .

It is a cyclic number.

It is not a de Polignac number, because 12403034645 - 2⁴ = 12403034629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403034647) 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, 1240303460 + ... + 1240303469.

It is an arithmetic number, because the mean of its divisors is an integer number (3720910395).

Almost surely, 2^12403034645 is an apocalyptic number.

It is an amenable number.

12403034645 is a deficient number, since it is larger than the sum of its proper divisors (2480606935).

12403034645 is an equidigital number, since it uses as much as digits as its factorization.

12403034645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480606934.

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 12403034645 in words is "twelve billion, four hundred three million, thirty-four thousand, six hundred forty-five".