12462137057 has 4 divisors (see below), whose sum is σ = 12462464196. Its totient is φ = 12461809920.

The previous prime is 12462137053. The next prime is 12462137089. The reversal of 12462137057 is 75073126421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75073126421 = 743 ⋅101040547.

It can be written as a sum of positive squares in 2 ways, for example, as 5475852001 + 6986285056 = 73999^2 + 83584^2 .

It is a cyclic number.

It is not a de Polignac number, because 12462137057 - 2² = 12462137053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12462137057.

It is not an unprimeable number, because it can be changed into a prime (12462137053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97544 + ... + 185577.

It is an arithmetic number, because the mean of its divisors is an integer number (3115616049).

Almost surely, 2^12462137057 is an apocalyptic number.

It is an amenable number.

12462137057 is a deficient number, since it is larger than the sum of its proper divisors (327139).

12462137057 is an equidigital number, since it uses as much as digits as its factorization.

12462137057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327138.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 12462137057 in words is "twelve billion, four hundred sixty-two million, one hundred thirty-seven thousand, fifty-seven".