12204031123442 has 32 divisors (see below), whose sum is σ = 18646873660800. Its totient is φ = 5989198320000.

The previous prime is 12204031123429. The next prime is 12204031123457. The reversal of 12204031123442 is 24432113040221.

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, 74374184 + ... + 74538092.

It is an arithmetic number, because the mean of its divisors is an integer number (582714801900).

Almost surely, 2^{12204031123442} is an apocalyptic number.

12204031123442 is a deficient number, since it is larger than the sum of its proper divisors (6442842537358).

12204031123442 is a wasteful number, since it uses less digits than its factorization.

12204031123442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166322.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12204031123442 its reverse (24432113040221), we get a palindrome (36636144163663).

The spelling of 12204031123442 in words is "twelve trillion, two hundred four billion, thirty-one million, one hundred twenty-three thousand, four hundred forty-two".