12204055042 has 16 divisors (see below), whose sum is σ = 18352347552. Its totient is φ = 6086624320.

The previous prime is 12204055027. The next prime is 12204055043. The reversal of 12204055042 is 24055040221.

It is a junction number, because it is equal to n+sod(n) for n = 12204054998 and 12204055016.

It is not an unprimeable number, because it can be changed into a prime (12204055043) 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, 1688817 + ... + 1696027.

It is an arithmetic number, because the mean of its divisors is an integer number (1147021722).

Almost surely, 2^12204055042 is an apocalyptic number.

12204055042 is a deficient number, since it is larger than the sum of its proper divisors (6148292510).

12204055042 is a wasteful number, since it uses less digits than its factorization.

12204055042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9233.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 12204055042 its reverse (24055040221), we get a palindrome (36259095263).

The spelling of 12204055042 in words is "twelve billion, two hundred four million, fifty-five thousand, forty-two".