1312004004142 has 96 divisors (see below), whose sum is σ = 2403105032160. Its totient is φ = 531841136640.

The previous prime is 1312004004139. The next prime is 1312004004151. The reversal of 1312004004142 is 2414004002131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9518109 + ... + 9654967.

It is an arithmetic number, because the mean of its divisors is an integer number (25032344085).

Almost surely, 2^{1312004004142} is an apocalyptic number.

1312004004142 is a deficient number, since it is larger than the sum of its proper divisors (1091101028018).

1312004004142 is a wasteful number, since it uses less digits than its factorization.

1312004004142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136978 (or 136955 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1312004004142 its reverse (2414004002131), we get a palindrome (3726008006273).

The spelling of 1312004004142 in words is "one trillion, three hundred twelve billion, four million, four thousand, one hundred forty-two".