12057420457575 has 72 divisors (see below), whose sum is σ = 21629254701600. Its totient is φ = 6420780276480.

The previous prime is 12057420457561. The next prime is 12057420457619. The reversal of 12057420457575 is 57575402475021.

12057420457575 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 7 + 4 + 20 + 45 + 7 + 575 = 666.

It is not a de Polignac number, because 12057420457575 - 2⁷ = 12057420457447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 882092841 + ... + 882106509.

It is an arithmetic number, because the mean of its divisors is an integer number (300406315300).

Almost surely, 2^{12057420457575} is an apocalyptic number.

12057420457575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12057420457575 is a deficient number, since it is larger than the sum of its proper divisors (9571834244025).

12057420457575 is a wasteful number, since it uses less digits than its factorization.

12057420457575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19401 (or 19393 counting only the distinct ones).

The product of its (nonzero) digits is 13720000, while the sum is 54.

The spelling of 12057420457575 in words is "twelve trillion, fifty-seven billion, four hundred twenty million, four hundred fifty-seven thousand, five hundred seventy-five".