221212000112330 has 8 divisors (see below), whose sum is σ = 398181600202212. Its totient is φ = 88484800044928.

The previous prime is 221212000112287. The next prime is 221212000112347. The reversal of 221212000112330 is 33211000212122.

It can be written as a sum of positive squares in 2 ways, for example, as 203589492973441 + 17622507138889 = 14268479^2 + 4197917^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11060600005607 + ... + 11060600005626.

Almost surely, 2^{221212000112330} is an apocalyptic number.

221212000112330 is a deficient number, since it is larger than the sum of its proper divisors (176969600089882).

221212000112330 is a wasteful number, since it uses less digits than its factorization.

221212000112330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22121200011240.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 221212000112330 its reverse (33211000212122), we get a palindrome (254423000324452).

The spelling of 221212000112330 in words is "two hundred twenty-one trillion, two hundred twelve billion, one hundred twelve thousand, three hundred thirty".