12355033442 has 16 divisors (see below), whose sum is σ = 19511406240. Its totient is φ = 5851346688.

The previous prime is 12355033433. The next prime is 12355033447. The reversal of 12355033442 is 24433055321.

It is a junction number, because it is equal to n+sod(n) for n = 12355033399 and 12355033408.

It is not an unprimeable number, because it can be changed into a prime (12355033447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215153 + ... + 266459.

It is an arithmetic number, because the mean of its divisors is an integer number (1219462890).

Almost surely, 2^12355033442 is an apocalyptic number.

12355033442 is a deficient number, since it is larger than the sum of its proper divisors (7156372798).

12355033442 is a wasteful number, since it uses less digits than its factorization.

12355033442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57665.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 12355033442 its reverse (24433055321), we get a palindrome (36788088763).

The spelling of 12355033442 in words is "twelve billion, three hundred fifty-five million, thirty-three thousand, four hundred forty-two".