12071912975057 has 4 divisors (see below), whose sum is σ = 13000521665460. Its totient is φ = 11143304284656.

The previous prime is 12071912975053. The next prime is 12071912975063. The reversal of 12071912975057 is 75057921917021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3117311579281 + 8954601395776 = 1765591^2 + 2992424^2 .

It is a cyclic number.

It is not a de Polignac number, because 12071912975057 - 2² = 12071912975053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12071912974993 and 12071912975011.

It is not an unprimeable number, because it can be changed into a prime (12071912975053) 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, 464304345182 + ... + 464304345207.

It is an arithmetic number, because the mean of its divisors is an integer number (3250130416365).

Almost surely, 2^{12071912975057} is an apocalyptic number.

It is an amenable number.

12071912975057 is a deficient number, since it is larger than the sum of its proper divisors (928608690403).

12071912975057 is an equidigital number, since it uses as much as digits as its factorization.

12071912975057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928608690402.

The product of its (nonzero) digits is 2778300, while the sum is 56.

The spelling of 12071912975057 in words is "twelve trillion, seventy-one billion, nine hundred twelve million, nine hundred seventy-five thousand, fifty-seven".