12404213245 has 8 divisors (see below), whose sum is σ = 14885705016. Its totient is φ = 9922937856.

The previous prime is 12404213243. The next prime is 12404213249. The reversal of 12404213245 is 54231240421.

It can be written as a sum of positive squares in 4 ways, for example, as 45369 + 12404167876 = 213^2 + 111374^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12404213245 - 2¹ = 12404213243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404213243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127369 + ... + 202561.

It is an arithmetic number, because the mean of its divisors is an integer number (1860713127).

Almost surely, 2^12404213245 is an apocalyptic number.

It is an amenable number.

12404213245 is a deficient number, since it is larger than the sum of its proper divisors (2481491771).

12404213245 is an equidigital number, since it uses as much as digits as its factorization.

12404213245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108191.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 12404213245 its reverse (54231240421), we get a palindrome (66635453666).

The spelling of 12404213245 in words is "twelve billion, four hundred four million, two hundred thirteen thousand, two hundred forty-five".