12080210746 has 4 divisors (see below), whose sum is σ = 18120316122. Its totient is φ = 6040105372.

The previous prime is 12080210741. The next prime is 12080210759. The reversal of 12080210746 is 64701208021.

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

It can be written as a sum of positive squares in only one way, i.e., 7575787521 + 4504423225 = 87039^2 + 67115^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12080210741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3020052685 + ... + 3020052688.

Almost surely, 2^12080210746 is an apocalyptic number.

12080210746 is a deficient number, since it is larger than the sum of its proper divisors (6040105376).

12080210746 is an equidigital number, since it uses as much as digits as its factorization.

12080210746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040105375.

The product of its (nonzero) digits is 5376, while the sum is 31.

Adding to 12080210746 its reverse (64701208021), we get a palindrome (76781418767).

The spelling of 12080210746 in words is "twelve billion, eighty million, two hundred ten thousand, seven hundred forty-six".