12052440442 has 32 divisors (see below), whose sum is σ = 21184781184. Its totient is φ = 5034700800.

The previous prime is 12052440403. The next prime is 12052440467. The reversal of 12052440442 is 24404425021.

It is a super-2 number, since 2×12052440442² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12052440442.

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, 652717 + ... + 670927.

It is an arithmetic number, because the mean of its divisors is an integer number (662024412).

Almost surely, 2^12052440442 is an apocalyptic number.

12052440442 is a deficient number, since it is larger than the sum of its proper divisors (9132340742).

12052440442 is a wasteful number, since it uses less digits than its factorization.

12052440442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19414.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 12052440442 its reverse (24404425021), we get a palindrome (36456865463).

The spelling of 12052440442 in words is "twelve billion, fifty-two million, four hundred forty thousand, four hundred forty-two".