12525254422 has 4 divisors (see below), whose sum is σ = 18787881636. Its totient is φ = 6262627210.

The previous prime is 12525254387. The next prime is 12525254429. The reversal of 12525254422 is 22445252521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22445252521 = 317 ⋅70805213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525254429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3131313604 + ... + 3131313607.

It is an arithmetic number, because the mean of its divisors is an integer number (4696970409).

Almost surely, 2^12525254422 is an apocalyptic number.

12525254422 is a deficient number, since it is larger than the sum of its proper divisors (6262627214).

12525254422 is an equidigital number, since it uses as much as digits as its factorization.

12525254422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262627213.

The product of its digits is 64000, while the sum is 34.

The spelling of 12525254422 in words is "twelve billion, five hundred twenty-five million, two hundred fifty-four thousand, four hundred twenty-two".