12620332322 has 8 divisors (see below), whose sum is σ = 20386690716. Its totient is φ = 5824768752.

The previous prime is 12620332267. The next prime is 12620332327. The reversal of 12620332322 is 22323302621.

It can be written as a sum of positive squares in 2 ways, for example, as 11246814601 + 1373517721 = 106051^2 + 37061^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 485397397 = 12620332322 / (1 + 2 + 6 + 2 + 0 + 3 + 3 + 2 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 12620332291 and 12620332300.

It is not an unprimeable number, because it can be changed into a prime (12620332327) 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, 242698673 + ... + 242698724.

Almost surely, 2^12620332322 is an apocalyptic number.

12620332322 is a deficient number, since it is larger than the sum of its proper divisors (7766358394).

12620332322 is a wasteful number, since it uses less digits than its factorization.

12620332322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485397412.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 12620332322 its reverse (22323302621), we get a palindrome (34943634943).

The spelling of 12620332322 in words is "twelve billion, six hundred twenty million, three hundred thirty-two thousand, three hundred twenty-two".