212012204312003 has 4 divisors (see below), whose sum is σ = 212013214647360. Its totient is φ = 212011193976648.

The previous prime is 212012204311997. The next prime is 212012204312009. The reversal of 212012204312003 is 300213402210212.

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

It is an interprime number because it is at equal distance from previous prime (212012204311997) and next prime (212012204312009).

It is a cyclic number.

It is not a de Polignac number, because 212012204312003 - 2⁴ = 212012204311987 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 212012204312003.

It is not an unprimeable number, because it can be changed into a prime (212012204312009) 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, 504852848 + ... + 505272621.

It is an arithmetic number, because the mean of its divisors is an integer number (53003303661840).

Almost surely, 2^{212012204312003} is an apocalyptic number.

212012204312003 is a deficient number, since it is larger than the sum of its proper divisors (1010335357).

212012204312003 is a wasteful number, since it uses less digits than its factorization.

212012204312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010335356.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212012204312003 its reverse (300213402210212), we get a palindrome (512225606522215).

The spelling of 212012204312003 in words is "two hundred twelve trillion, twelve billion, two hundred four million, three hundred twelve thousand, three".