1201043041443 has 32 divisors (see below), whose sum is σ = 2039546296320. Its totient is φ = 684273744000.

The previous prime is 1201043041409. The next prime is 1201043041453. The reversal of 1201043041443 is 3441403401021.

1201043041443 is a `hidden beast` number, since 1 + 201 + 0 + 4 + 3 + 0 + 414 + 43 = 666.

It is not a de Polignac number, because 1201043041443 - 2³⁷ = 1063604087971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1201043041453) 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 31 ways as a sum of consecutive naturals, for example, 9364683 + ... + 9492068.

It is an arithmetic number, because the mean of its divisors is an integer number (63735821760).

Almost surely, 2^{1201043041443} is an apocalyptic number.

1201043041443 is a deficient number, since it is larger than the sum of its proper divisors (838503254877).

1201043041443 is a wasteful number, since it uses less digits than its factorization.

1201043041443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18857104 (or 18857098 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1201043041443 its reverse (3441403401021), we get a palindrome (4642446442464).

The spelling of 1201043041443 in words is "one trillion, two hundred one billion, forty-three million, forty-one thousand, four hundred forty-three".