221030013112312 has 16 divisors (see below), whose sum is σ = 414440447952600. Its totient is φ = 110512560324960.

The previous prime is 221030013112301. The next prime is 221030013112319. The reversal of 221030013112312 is 213211310030122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221030013112319) 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, 305394862 + ... + 306117757.

Almost surely, 2^{221030013112312} is an apocalyptic number.

It is an amenable number.

221030013112312 is a deficient number, since it is larger than the sum of its proper divisors (193410434840288).

221030013112312 is a wasteful number, since it uses less digits than its factorization.

221030013112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611557806 (or 611557802 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 221030013112312 its reverse (213211310030122), we get a palindrome (434241323142434).

The spelling of 221030013112312 in words is "two hundred twenty-one trillion, thirty billion, thirteen million, one hundred twelve thousand, three hundred twelve".