2124212312143 has 4 divisors (see below), whose sum is σ = 2124233744080. Its totient is φ = 2124190880208.

The previous prime is 2124212312107. The next prime is 2124212312161. The reversal of 2124212312143 is 3412132124212.

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

It is a cyclic number.

It is not a de Polignac number, because 2124212312143 - 2²⁵ = 2124178757711 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 (2124212316143) 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, 10566603 + ... + 10765756.

It is an arithmetic number, because the mean of its divisors is an integer number (531058436020).

Almost surely, 2^{2124212312143} is an apocalyptic number.

2124212312143 is a deficient number, since it is larger than the sum of its proper divisors (21431937).

2124212312143 is an equidigital number, since it uses as much as digits as its factorization.

2124212312143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21431936.

The product of its digits is 4608, while the sum is 28.

Adding to 2124212312143 its reverse (3412132124212), we get a palindrome (5536344436355).

The spelling of 2124212312143 in words is "two trillion, one hundred twenty-four billion, two hundred twelve million, three hundred twelve thousand, one hundred forty-three".