3200121243143 has 16 divisors (see below), whose sum is σ = 3547271886720. Its totient is φ = 2862443469600.

The previous prime is 3200121243133. The next prime is 3200121243157. The reversal of 3200121243143 is 3413421210023.

It is not a de Polignac number, because 3200121243143 - 2²⁴ = 3200104465927 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 (3200121243133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894328 + ... + 3160493.

It is an arithmetic number, because the mean of its divisors is an integer number (221704492920).

Almost surely, 2^{3200121243143} is an apocalyptic number.

3200121243143 is a deficient number, since it is larger than the sum of its proper divisors (347150643577).

3200121243143 is a wasteful number, since it uses less digits than its factorization.

3200121243143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055758.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 3200121243143 its reverse (3413421210023), we get a palindrome (6613542453166).

The spelling of 3200121243143 in words is "three trillion, two hundred billion, one hundred twenty-one million, two hundred forty-three thousand, one hundred forty-three".