12225534302452 has 24 divisors (see below), whose sum is σ = 21858777601920. Its totient is φ = 5980275065280.

The previous prime is 12225534302419. The next prime is 12225534302467. The reversal of 12225534302452 is 25420343552221.

12225534302452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12760449 + ... + 13685032.

It is an arithmetic number, because the mean of its divisors is an integer number (910782400080).

Almost surely, 2^{12225534302452} is an apocalyptic number.

It is an amenable number.

12225534302452 is a deficient number, since it is larger than the sum of its proper divisors (9633243299468).

12225534302452 is a wasteful number, since it uses less digits than its factorization.

12225534302452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26447991 (or 26447989 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 12225534302452 its reverse (25420343552221), we get a palindrome (37645877854673).

The spelling of 12225534302452 in words is "twelve trillion, two hundred twenty-five billion, five hundred thirty-four million, three hundred two thousand, four hundred fifty-two".