1200010440142 has 16 divisors (see below), whose sum is σ = 1895148930960. Its totient is φ = 568307316672.

The previous prime is 1200010440131. The next prime is 1200010440151. The reversal of 1200010440142 is 2410440100021.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3112173 + ... + 3476440.

It is an arithmetic number, because the mean of its divisors is an integer number (118446808185).

Almost surely, 2^{1200010440142} is an apocalyptic number.

1200010440142 is a deficient number, since it is larger than the sum of its proper divisors (695138490818).

1200010440142 is a wasteful number, since it uses less digits than its factorization.

1200010440142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6593427.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1200010440142 its reverse (2410440100021), we get a palindrome (3610450540163).

The spelling of 1200010440142 in words is "one trillion, two hundred billion, ten million, four hundred forty thousand, one hundred forty-two".