230312122221 has 16 divisors (see below), whose sum is σ = 312396675968. Its totient is φ = 150889003200.

The previous prime is 230312122151. The next prime is 230312122223. The reversal of 230312122221 is 122221213032.

It is not a de Polignac number, because 230312122221 - 2¹³ = 230312114029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230312122223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358945 + ... + 767766.

It is an arithmetic number, because the mean of its divisors is an integer number (19524792248).

Almost surely, 2^230312122221 is an apocalyptic number.

It is an amenable number.

230312122221 is a deficient number, since it is larger than the sum of its proper divisors (82084553747).

230312122221 is a wasteful number, since it uses less digits than its factorization.

230312122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127892.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 230312122221 its reverse (122221213032), we get a palindrome (352533335253).

The spelling of 230312122221 in words is "two hundred thirty billion, three hundred twelve million, one hundred twenty-two thousand, two hundred twenty-one".