203013212203 has 4 divisors (see below), whose sum is σ = 214955165880. Its totient is φ = 191071258528.

The previous prime is 203013212189. The next prime is 203013212219. The reversal of 203013212203 is 302212310302.

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-203013212203 is a prime.

It is a super-2 number, since 2×203013212203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203013212243) 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, 5970976813 + ... + 5970976846.

It is an arithmetic number, because the mean of its divisors is an integer number (53738791470).

Almost surely, 2^203013212203 is an apocalyptic number.

203013212203 is a deficient number, since it is larger than the sum of its proper divisors (11941953677).

203013212203 is a wasteful number, since it uses less digits than its factorization.

203013212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11941953676.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203013212203 its reverse (302212310302), we get a palindrome (505225522505).

The spelling of 203013212203 in words is "two hundred three billion, thirteen million, two hundred twelve thousand, two hundred three".