12525127754 has 4 divisors (see below), whose sum is σ = 18787691634. Its totient is φ = 6262563876.

The previous prime is 12525127739. The next prime is 12525127777. The reversal of 12525127754 is 45772152521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45772152521 = 19 ⋅2409060659.

It can be written as a sum of positive squares in only one way, i.e., 8559025225 + 3966102529 = 92515^2 + 62977^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3131281937 + ... + 3131281940.

Almost surely, 2^12525127754 is an apocalyptic number.

12525127754 is a deficient number, since it is larger than the sum of its proper divisors (6262563880).

12525127754 is an equidigital number, since it uses as much as digits as its factorization.

12525127754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262563879.

The product of its digits is 196000, while the sum is 41.

The spelling of 12525127754 in words is "twelve billion, five hundred twenty-five million, one hundred twenty-seven thousand, seven hundred fifty-four".