1112400443442 has 32 divisors (see below), whose sum is σ = 2241681547392. Its totient is φ = 367988253824.

The previous prime is 1112400443437. The next prime is 1112400443461. The reversal of 1112400443442 is 2443440042111.

It is a happy number.

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, 2707348 + ... + 3091040.

It is an arithmetic number, because the mean of its divisors is an integer number (70052548356).

Almost surely, 2^{1112400443442} is an apocalyptic number.

1112400443442 is an abundant number, since it is smaller than the sum of its proper divisors (1129281103950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112400443442 is a wasteful number, since it uses less digits than its factorization.

1112400443442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387362.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1112400443442 its reverse (2443440042111), we get a palindrome (3555840485553).

The spelling of 1112400443442 in words is "one trillion, one hundred twelve billion, four hundred million, four hundred forty-three thousand, four hundred forty-two".