12010110257 has 4 divisors (see below), whose sum is σ = 12424252020. Its totient is φ = 11595968496.

The previous prime is 12010110223. The next prime is 12010110263. The reversal of 12010110257 is 75201101021.

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 5063887921 + 6946222336 = 71161^2 + 83344^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010110257 - 2⁸ = 12010110001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010110157) 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, 207070838 + ... + 207070895.

It is an arithmetic number, because the mean of its divisors is an integer number (3106063005).

Almost surely, 2^12010110257 is an apocalyptic number.

It is an amenable number.

12010110257 is a deficient number, since it is larger than the sum of its proper divisors (414141763).

12010110257 is an equidigital number, since it uses as much as digits as its factorization.

12010110257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414141762.

The product of its (nonzero) digits is 140, while the sum is 20.

Adding to 12010110257 its reverse (75201101021), we get a palindrome (87211211278).

The spelling of 12010110257 in words is "twelve billion, ten million, one hundred ten thousand, two hundred fifty-seven".