12405740570 has 16 divisors (see below), whose sum is σ = 22335362280. Its totient is φ = 4961178624.

The previous prime is 12405740563. The next prime is 12405740579. The reversal of 12405740570 is 7504750421.

It can be written as a sum of positive squares in 4 ways, for example, as 8665561921 + 3740178649 = 93089^2 + 61157^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12405740570.

It is not an unprimeable number, because it can be changed into a prime (12405740579) 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, 92315 + ... + 182574.

Almost surely, 2^12405740570 is an apocalyptic number.

12405740570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12405740570 is a deficient number, since it is larger than the sum of its proper divisors (9929621710).

12405740570 is a wasteful number, since it uses less digits than its factorization.

12405740570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279409.

The product of its (nonzero) digits is 39200, while the sum is 35.

The spelling of 12405740570 in words is "twelve billion, four hundred five million, seven hundred forty thousand, five hundred seventy".