12204335536442 has 64 divisors (see below), whose sum is σ = 21255114666240. Its totient is φ = 5147642548224.

The previous prime is 12204335536429. The next prime is 12204335536451. The reversal of 12204335536442 is 24463553340221.

It is a super-2 number, since 2×12204335536442² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12204335536393 and 12204335536402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1101170633 + ... + 1101181715.

It is an arithmetic number, because the mean of its divisors is an integer number (332111166660).

Almost surely, 2^{12204335536442} is an apocalyptic number.

12204335536442 is a deficient number, since it is larger than the sum of its proper divisors (9050779129798).

12204335536442 is a wasteful number, since it uses less digits than its factorization.

12204335536442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15207.

The product of its (nonzero) digits is 2073600, while the sum is 44.

Adding to 12204335536442 its reverse (24463553340221), we get a palindrome (36667888876663).

The spelling of 12204335536442 in words is "twelve trillion, two hundred four billion, three hundred thirty-five million, five hundred thirty-six thousand, four hundred forty-two".