12123530354452 has 48 divisors (see below), whose sum is σ = 23170725023040. Its totient is φ = 5504553331200.

The previous prime is 12123530354401. The next prime is 12123530354471. The reversal of 12123530354452 is 25445303532121.

12123530354452 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 15 ways as a sum of consecutive naturals, for example, 595828543 + ... + 595848889.

It is an arithmetic number, because the mean of its divisors is an integer number (482723437980).

Almost surely, 2^{12123530354452} is an apocalyptic number.

It is an amenable number.

12123530354452 is a deficient number, since it is larger than the sum of its proper divisors (11047194668588).

12123530354452 is a wasteful number, since it uses less digits than its factorization.

12123530354452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34792 (or 34790 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 12123530354452 its reverse (25445303532121), we get a palindrome (37568833886573).

The spelling of 12123530354452 in words is "twelve trillion, one hundred twenty-three billion, five hundred thirty million, three hundred fifty-four thousand, four hundred fifty-two".