1200044240142 has 32 divisors (see below), whose sum is σ = 2618345831040. Its totient is φ = 363640396320.

The previous prime is 1200044240119. The next prime is 1200044240147. The reversal of 1200044240142 is 2410424400021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200044240147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2604084 + ... + 3030072.

It is an arithmetic number, because the mean of its divisors is an integer number (81823307220).

Almost surely, 2^{1200044240142} is an apocalyptic number.

1200044240142 is an abundant number, since it is smaller than the sum of its proper divisors (1418301590898).

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

1200044240142 is a wasteful number, since it uses less digits than its factorization.

1200044240142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468688.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 1200044240142 its reverse (2410424400021), we get a palindrome (3610468640163).

The spelling of 1200044240142 in words is "one trillion, two hundred billion, forty-four million, two hundred forty thousand, one hundred forty-two".