1221003230322 has 32 divisors (see below), whose sum is σ = 2508543417024. Its totient is φ = 395916292800.

The previous prime is 1221003230303. The next prime is 1221003230341. The reversal of 1221003230322 is 2230323001221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1221003230303) and next prime (1221003230341).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455172 + ... + 1627632.

It is an arithmetic number, because the mean of its divisors is an integer number (78391981782).

Almost surely, 2^{1221003230322} is an apocalyptic number.

1221003230322 is an abundant number, since it is smaller than the sum of its proper divisors (1287540186702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1221003230322 is a wasteful number, since it uses less digits than its factorization.

1221003230322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177194.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1221003230322 its reverse (2230323001221), we get a palindrome (3451326231543).

The spelling of 1221003230322 in words is "one trillion, two hundred twenty-one billion, three million, two hundred thirty thousand, three hundred twenty-two".