12920480573049 has 27 divisors (see below), whose sum is σ = 21710049975237. Its totient is φ = 7383088621944.

The previous prime is 12920480573003. The next prime is 12920480573059. The reversal of 12920480573049 is 94037508402921.

The square root of 12920480573049 is 3594507.

It is a perfect power (a square), and thus also a powerful number.

12920480573049 is a `hidden beast` number, since 1 + 2 + 9 + 20 + 4 + 8 + 0 + 573 + 0 + 49 = 666.

It is not a de Polignac number, because 12920480573049 - 2³¹ = 12918333089401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12920480572986 and 12920480573004.

It is not an unprimeable number, because it can be changed into a prime (12920480573059) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 75399064 + ... + 75570230.

Almost surely, 2^{12920480573049} is an apocalyptic number.

12920480573049 is the 3594507-th square number.

12920480573049 is the 1797254-th centered octagonal number.

It is an amenable number.

12920480573049 is a deficient number, since it is larger than the sum of its proper divisors (8789569402188).

12920480573049 is an frugal number, since it uses more digits than its factorization.

12920480573049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342354 (or 171177 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 12920480573049 in words is "twelve trillion, nine hundred twenty billion, four hundred eighty million, five hundred seventy-three thousand, forty-nine".