1200342143111 has 16 divisors (see below), whose sum is σ = 1285781618400. Its totient is φ = 1117174032000.

The previous prime is 1200342143101. The next prime is 1200342143173. The reversal of 1200342143111 is 1113412430021.

It is a cyclic number.

It is not a de Polignac number, because 1200342143111 - 2⁶ = 1200342143047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200342143101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336161 + ... + 1585461.

It is an arithmetic number, because the mean of its divisors is an integer number (80361351150).

Almost surely, 2^{1200342143111} is an apocalyptic number.

1200342143111 is a deficient number, since it is larger than the sum of its proper divisors (85439475289).

1200342143111 is a wasteful number, since it uses less digits than its factorization.

1200342143111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250210.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1200342143111 its reverse (1113412430021), we get a palindrome (2313754573132).

The spelling of 1200342143111 in words is "one trillion, two hundred billion, three hundred forty-two million, one hundred forty-three thousand, one hundred eleven".