12962618057 has 4 divisors (see below), whose sum is σ = 12986579076. Its totient is φ = 12938657040.

The previous prime is 12962618003. The next prime is 12962618063. The reversal of 12962618057 is 75081626921.

It is a happy number.

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 6791572921 + 6171045136 = 82411^2 + 78556^2 .

It is a cyclic number.

It is not a de Polignac number, because 12962618057 - 2²⁴ = 12945840841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12962618257) 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, 11979698 + ... + 11980779.

It is an arithmetic number, because the mean of its divisors is an integer number (3246644769).

Almost surely, 2^12962618057 is an apocalyptic number.

It is an amenable number.

12962618057 is a deficient number, since it is larger than the sum of its proper divisors (23961019).

12962618057 is an equidigital number, since it uses as much as digits as its factorization.

12962618057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23961018.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 12962618057 in words is "twelve billion, nine hundred sixty-two million, six hundred eighteen thousand, fifty-seven".