1204112100442 has 4 divisors (see below), whose sum is σ = 1806168150666. Its totient is φ = 602056050220.

The previous prime is 1204112100383. The next prime is 1204112100449. The reversal of 1204112100442 is 2440012114021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1176446098881 + 27666001561 = 1084641^2 + 166331^2 .

It is not an unprimeable number, because it can be changed into a prime (1204112100449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301028025109 + ... + 301028025112.

Almost surely, 2^{1204112100442} is an apocalyptic number.

1204112100442 is a deficient number, since it is larger than the sum of its proper divisors (602056050224).

1204112100442 is an equidigital number, since it uses as much as digits as its factorization.

1204112100442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602056050223.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1204112100442 its reverse (2440012114021), we get a palindrome (3644124214463).

The spelling of 1204112100442 in words is "one trillion, two hundred four billion, one hundred twelve million, one hundred thousand, four hundred forty-two".