2124120404203 has 4 divisors (see below), whose sum is σ = 2427566176240. Its totient is φ = 1820674632168.

The previous prime is 2124120404143. The next prime is 2124120404261. The reversal of 2124120404203 is 3024040214212.

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

It is not a de Polignac number, because 2124120404203 - 2¹³ = 2124120396011 is a prime.

It is a super-2 number, since 2×2124120404203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124120404293) 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, 151722886008 + ... + 151722886021.

It is an arithmetic number, because the mean of its divisors is an integer number (606891544060).

Almost surely, 2^{2124120404203} is an apocalyptic number.

2124120404203 is a deficient number, since it is larger than the sum of its proper divisors (303445772037).

2124120404203 is an equidigital number, since it uses as much as digits as its factorization.

2124120404203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303445772036.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2124120404203 its reverse (3024040214212), we get a palindrome (5148160618415).

The spelling of 2124120404203 in words is "two trillion, one hundred twenty-four billion, one hundred twenty million, four hundred four thousand, two hundred three".