1200342401101 has 4 divisors (see below), whose sum is σ = 1200354094012. Its totient is φ = 1200330708192.

The previous prime is 1200342401087. The next prime is 1200342401117. The reversal of 1200342401101 is 1011042430021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 292571728201 + 907770672900 = 540899^2 + 952770^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200342401101 - 2²⁷ = 1200208183373 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 (1200342401161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5691096 + ... + 5898241.

It is an arithmetic number, because the mean of its divisors is an integer number (300088523503).

Almost surely, 2^{1200342401101} is an apocalyptic number.

It is an amenable number.

1200342401101 is a deficient number, since it is larger than the sum of its proper divisors (11692911).

1200342401101 is a wasteful number, since it uses less digits than its factorization.

1200342401101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11692910.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1200342401101 its reverse (1011042430021), we get a palindrome (2211384831122).

It can be divided in two parts, 120034 and 2401101, that added together give a triangular number (2521135 = T₂₂₄₅).

The spelling of 1200342401101 in words is "one trillion, two hundred billion, three hundred forty-two million, four hundred one thousand, one hundred one".