212143232003 has 4 divisors (see below), whose sum is σ = 212147448888. Its totient is φ = 212139015120.

The previous prime is 212143231967. The next prime is 212143232029. The reversal of 212143232003 is 300232341212.

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 212143232003 - 2²⁰ = 212142183427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212143232003.

It is not an unprimeable number, because it can be changed into a prime (212143232053) 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, 2032058 + ... + 2133903.

It is an arithmetic number, because the mean of its divisors is an integer number (53036862222).

Almost surely, 2^212143232003 is an apocalyptic number.

212143232003 is a deficient number, since it is larger than the sum of its proper divisors (4216885).

212143232003 is an equidigital number, since it uses as much as digits as its factorization.

212143232003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216884.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212143232003 its reverse (300232341212), we get a palindrome (512375573215).

The spelling of 212143232003 in words is "two hundred twelve billion, one hundred forty-three million, two hundred thirty-two thousand, three".