1012137074257 has 4 divisors (see below), whose sum is σ = 1039492130356. Its totient is φ = 984782018160.

The previous prime is 1012137074243. The next prime is 1012137074281. The reversal of 1012137074257 is 7524707312101.

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 562914076176 + 449222998081 = 750276^2 + 670241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012137074257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012137074657) 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, 13677527994 + ... + 13677528067.

It is an arithmetic number, because the mean of its divisors is an integer number (259873032589).

Almost surely, 2^{1012137074257} is an apocalyptic number.

It is an amenable number.

1012137074257 is a deficient number, since it is larger than the sum of its proper divisors (27355056099).

1012137074257 is an equidigital number, since it uses as much as digits as its factorization.

1012137074257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27355056098.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 1012137074257 in words is "one trillion, twelve billion, one hundred thirty-seven million, seventy-four thousand, two hundred fifty-seven".