12533052442042 has 24 divisors (see below), whose sum is σ = 20666247254100. Its totient is φ = 5696222389440.

The previous prime is 12533052442037. The next prime is 12533052442067. The reversal of 12533052442042 is 24024425033521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12193791625521 + 339260816521 = 3491961^2 + 582461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12533052441992 and 12533052442010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583317 + ... + 5040472.

Almost surely, 2^{12533052442042} is an apocalyptic number.

12533052442042 is a deficient number, since it is larger than the sum of its proper divisors (8133194812058).

12533052442042 is a wasteful number, since it uses less digits than its factorization.

12533052442042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5633022 (or 5633011 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 12533052442042 its reverse (24024425033521), we get a palindrome (36557477475563).

The spelling of 12533052442042 in words is "twelve trillion, five hundred thirty-three billion, fifty-two million, four hundred forty-two thousand, forty-two".