12701267125 has 8 divisors (see below), whose sum is σ = 15851181528. Its totient is φ = 10161013600.

The previous prime is 12701267113. The next prime is 12701267129. The reversal of 12701267125 is 52176210721.

It can be written as a sum of positive squares in 4 ways, for example, as 191739409 + 12509527716 = 13847^2 + 111846^2 .

It is not a de Polignac number, because 12701267125 - 2¹⁷ = 12701136053 is a prime.

It is a super-2 number, since 2×12701267125² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12701267129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50804944 + ... + 50805193.

It is an arithmetic number, because the mean of its divisors is an integer number (1981397691).

Almost surely, 2^12701267125 is an apocalyptic number.

It is an amenable number.

12701267125 is a deficient number, since it is larger than the sum of its proper divisors (3149914403).

12701267125 is an equidigital number, since it uses as much as digits as its factorization.

12701267125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101610152 (or 101610142 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

Adding to 12701267125 its reverse (52176210721), we get a palindrome (64877477846).

The spelling of 12701267125 in words is "twelve billion, seven hundred one million, two hundred sixty-seven thousand, one hundred twenty-five".