12522404252 has 48 divisors (see below), whose sum is σ = 23516304000. Its totient is φ = 5817075264.

The previous prime is 12522404243. The next prime is 12522404267. The reversal of 12522404252 is 25240422521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160699 + ... + 1171437.

It is an arithmetic number, because the mean of its divisors is an integer number (489923000).

Almost surely, 2^12522404252 is an apocalyptic number.

It is an amenable number.

12522404252 is a deficient number, since it is larger than the sum of its proper divisors (10993899748).

12522404252 is a wasteful number, since it uses less digits than its factorization.

12522404252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11058 (or 11056 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 12522404252 its reverse (25240422521), we get a palindrome (37762826773).

The spelling of 12522404252 in words is "twelve billion, five hundred twenty-two million, four hundred four thousand, two hundred fifty-two".