1321221003230 has 8 divisors (see below), whose sum is σ = 2378197805832. Its totient is φ = 528488401288.

The previous prime is 1321221003121. The next prime is 1321221003233. The reversal of 1321221003230 is 323001221231.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321221003233) 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, 66061050152 + ... + 66061050171.

It is an arithmetic number, because the mean of its divisors is an integer number (297274725729).

Almost surely, 2^{1321221003230} is an apocalyptic number.

1321221003230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321221003230 is a deficient number, since it is larger than the sum of its proper divisors (1056976802602).

1321221003230 is a wasteful number, since it uses less digits than its factorization.

1321221003230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132122100330.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1321221003230 its reverse (323001221231), we get a palindrome (1644222224461).

The spelling of 1321221003230 in words is "one trillion, three hundred twenty-one billion, two hundred twenty-one million, three thousand, two hundred thirty".