1012134991237 has 2 divisors, whose sum is σ = 1012134991238. Its totient is φ = 1012134991236.

The previous prime is 1012134991213. The next prime is 1012134991261. The reversal of 1012134991237 is 7321994312101.

It is a balanced prime because it is at equal distance from previous prime (1012134991213) and next prime (1012134991261).

It can be written as a sum of positive squares in only one way, i.e., 1009152848356 + 2982142881 = 1004566^2 + 54609^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012134991237 - 2¹¹ = 1012134989189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012134991193 and 1012134991202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012134091237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506067495618 + 506067495619.

It is an arithmetic number, because the mean of its divisors is an integer number (506067495619).

Almost surely, 2^{1012134991237} is an apocalyptic number.

It is an amenable number.

1012134991237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012134991237 is an equidigital number, since it uses as much as digits as its factorization.

1012134991237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 1012134991237 in words is "one trillion, twelve billion, one hundred thirty-four million, nine hundred ninety-one thousand, two hundred thirty-seven".