1222032121223 has 4 divisors (see below), whose sum is σ = 1224226075320. Its totient is φ = 1219838167128.

The previous prime is 1222032121201. The next prime is 1222032121307. The reversal of 1222032121223 is 3221212302221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222032121223 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 (1222032121523) 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, 1096976213 + ... + 1096977326.

It is an arithmetic number, because the mean of its divisors is an integer number (306056518830).

Almost surely, 2^{1222032121223} is an apocalyptic number.

1222032121223 is a deficient number, since it is larger than the sum of its proper divisors (2193954097).

1222032121223 is an equidigital number, since it uses as much as digits as its factorization.

1222032121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193954096.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1222032121223 its reverse (3221212302221), we get a palindrome (4443244423444).

The spelling of 1222032121223 in words is "one trillion, two hundred twenty-two billion, thirty-two million, one hundred twenty-one thousand, two hundred twenty-three".