12520055045443 has 8 divisors (see below), whose sum is σ = 13660780167216. Its totient is φ = 11379752973600.

The previous prime is 12520055045429. The next prime is 12520055045521. The reversal of 12520055045443 is 34454055002521.

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

It is not a de Polignac number, because 12520055045443 - 2²⁹ = 12519518174531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12520055045396 and 12520055045405.

It is not an unprimeable number, because it can be changed into a prime (12520055045413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105700596 + ... + 105818977.

It is an arithmetic number, because the mean of its divisors is an integer number (1707597520902).

Almost surely, 2^{12520055045443} is an apocalyptic number.

12520055045443 is a deficient number, since it is larger than the sum of its proper divisors (1140725121773).

12520055045443 is a wasteful number, since it uses less digits than its factorization.

12520055045443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211524965.

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 12520055045443 in words is "twelve trillion, five hundred twenty billion, fifty-five million, forty-five thousand, four hundred forty-three".