203122223213 has 16 divisors (see below), whose sum is σ = 263154299520. Its totient is φ = 152253556416.

The previous prime is 203122223203. The next prime is 203122223231. The reversal of 203122223213 is 312322221302.

203122223213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203122223213 - 2¹² = 203122219117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122223203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58738070 + ... + 58741527.

It is an arithmetic number, because the mean of its divisors is an integer number (16447143720).

Almost surely, 2^203122223213 is an apocalyptic number.

It is an amenable number.

203122223213 is a deficient number, since it is larger than the sum of its proper divisors (60032076307).

203122223213 is a wasteful number, since it uses less digits than its factorization.

203122223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117479636.

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

Adding to 203122223213 its reverse (312322221302), we get a palindrome (515444444515).

The spelling of 203122223213 in words is "two hundred three billion, one hundred twenty-two million, two hundred twenty-three thousand, two hundred thirteen".