1221232030223 has 8 divisors (see below), whose sum is σ = 1224671011200. Its totient is φ = 1217795546968.

The previous prime is 1221232030103. The next prime is 1221232030231. The reversal of 1221232030223 is 3220302321221.

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 1221232030223 - 2²⁴ = 1221215253007 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 (1221232030243) 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, 356990 + ... + 1603092.

It is an arithmetic number, because the mean of its divisors is an integer number (153083876400).

Almost surely, 2^{1221232030223} is an apocalyptic number.

1221232030223 is a deficient number, since it is larger than the sum of its proper divisors (3438980977).

1221232030223 is a wasteful number, since it uses less digits than its factorization.

1221232030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248861.

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

Adding to 1221232030223 its reverse (3220302321221), we get a palindrome (4441534351444).

The spelling of 1221232030223 in words is "one trillion, two hundred twenty-one billion, two hundred thirty-two million, thirty thousand, two hundred twenty-three".