203212322013 has 8 divisors (see below), whose sum is σ = 273994142400. Its totient is φ = 133952691488.

The previous prime is 203212321999. The next prime is 203212322023. The reversal of 203212322013 is 310223212302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203212322013 - 2²⁰ = 203211273437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203212322023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380547153 + ... + 380547686.

It is an arithmetic number, because the mean of its divisors is an integer number (34249267800).

Almost surely, 2^203212322013 is an apocalyptic number.

It is an amenable number.

203212322013 is a deficient number, since it is larger than the sum of its proper divisors (70781820387).

203212322013 is an equidigital number, since it uses as much as digits as its factorization.

203212322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761094931.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203212322013 its reverse (310223212302), we get a palindrome (513435534315).

The spelling of 203212322013 in words is "two hundred three billion, two hundred twelve million, three hundred twenty-two thousand, thirteen".