12010775257 has 4 divisors (see below), whose sum is σ = 12934681060. Its totient is φ = 11086869456.

The previous prime is 12010775219. The next prime is 12010775297. The reversal of 12010775257 is 75257701021.

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 5071718656 + 6939056601 = 71216^2 + 83301^2 .

It is not a de Polignac number, because 12010775257 - 2¹⁵ = 12010742489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010775207) 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, 461952882 + ... + 461952907.

It is an arithmetic number, because the mean of its divisors is an integer number (3233670265).

Almost surely, 2^12010775257 is an apocalyptic number.

It is an amenable number.

12010775257 is a deficient number, since it is larger than the sum of its proper divisors (923905803).

12010775257 is an equidigital number, since it uses as much as digits as its factorization.

12010775257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923905802.

The product of its (nonzero) digits is 34300, while the sum is 37.

It can be divided in two parts, 120107 and 75257, that added together give a square (195364 = 442²).

The spelling of 12010775257 in words is "twelve billion, ten million, seven hundred seventy-five thousand, two hundred fifty-seven".