12620227712072 has 12 divisors (see below), whose sum is σ = 23662945800105. Its totient is φ = 6310108832048.

The previous prime is 12620227711979. The next prime is 12620227712083. The reversal of 12620227712072 is 27021772202621.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 10123176709636 + 2497051002436 = 3181694^2 + 1580206^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2511994.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9419978 + ... + 10675974.

Almost surely, 2^{12620227712072} is an apocalyptic number.

It is an amenable number.

12620227712072 is a deficient number, since it is larger than the sum of its proper divisors (11042718088033).

12620227712072 is an frugal number, since it uses more digits than its factorization.

12620227712072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512000 (or 1255999 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 41.

Adding to 12620227712072 its reverse (27021772202621), we get a palindrome (39641999914693).

The spelling of 12620227712072 in words is "twelve trillion, six hundred twenty billion, two hundred twenty-seven million, seven hundred twelve thousand, seventy-two".