12620546045 has 8 divisors (see below), whose sum is σ = 15145311960. Its totient is φ = 10095999040.

The previous prime is 12620546033. The next prime is 12620546093. The reversal of 12620546045 is 54064502621.

It can be written as a sum of positive squares in 4 ways, for example, as 1500632644 + 11119913401 = 38738^2 + 105451^2 .

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

It is not a de Polignac number, because 12620546045 - 2¹⁴ = 12620529661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12620545996 and 12620546014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126935 + ... + 203355.

It is an arithmetic number, because the mean of its divisors is an integer number (1893163995).

Almost surely, 2^12620546045 is an apocalyptic number.

It is an amenable number.

12620546045 is a deficient number, since it is larger than the sum of its proper divisors (2524765915).

12620546045 is an equidigital number, since it uses as much as digits as its factorization.

12620546045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109455.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 12620546045 in words is "twelve billion, six hundred twenty million, five hundred forty-six thousand, forty-five".