12533354138 has 8 divisors (see below), whose sum is σ = 18803592288. Its totient is φ = 6265490044.

The previous prime is 12533354111. The next prime is 12533354147. The reversal of 12533354138 is 83145333521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580256 + ... + 601467.

It is an arithmetic number, because the mean of its divisors is an integer number (2350449036).

Almost surely, 2^12533354138 is an apocalyptic number.

12533354138 is a deficient number, since it is larger than the sum of its proper divisors (6270238150).

12533354138 is a wasteful number, since it uses less digits than its factorization.

12533354138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187028.

The product of its digits is 129600, while the sum is 38.

Adding to 12533354138 its reverse (83145333521), we get a palindrome (95678687659).

The spelling of 12533354138 in words is "twelve billion, five hundred thirty-three million, three hundred fifty-four thousand, one hundred thirty-eight".