212003011003 has 4 divisors (see below), whose sum is σ = 242289155440. Its totient is φ = 181716866568.

The previous prime is 212003010997. The next prime is 212003011019. The reversal of 212003011003 is 300110300212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212003011003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212003011603) 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, 15143072208 + ... + 15143072221.

It is an arithmetic number, because the mean of its divisors is an integer number (60572288860).

Almost surely, 2^212003011003 is an apocalyptic number.

212003011003 is a deficient number, since it is larger than the sum of its proper divisors (30286144437).

212003011003 is an equidigital number, since it uses as much as digits as its factorization.

212003011003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30286144436.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 212003011003 its reverse (300110300212), we get a palindrome (512113311215).

The spelling of 212003011003 in words is "two hundred twelve billion, three million, eleven thousand, three".