1201123330143 has 64 divisors (see below), whose sum is σ = 1862677555200. Its totient is φ = 681564159360.

The previous prime is 1201123330133. The next prime is 1201123330151. The reversal of 1201123330143 is 3410333211021.

It is not a de Polignac number, because 1201123330143 - 2¹⁴ = 1201123313759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201123330103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5614996 + ... + 5824982.

It is an arithmetic number, because the mean of its divisors is an integer number (29104336800).

Almost surely, 2^{1201123330143} is an apocalyptic number.

1201123330143 is a deficient number, since it is larger than the sum of its proper divisors (661554225057).

1201123330143 is a wasteful number, since it uses less digits than its factorization.

1201123330143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210212.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1201123330143 its reverse (3410333211021), we get a palindrome (4611456541164).

The spelling of 1201123330143 in words is "one trillion, two hundred one billion, one hundred twenty-three million, three hundred thirty thousand, one hundred forty-three".