1321230201022 has 8 divisors (see below), whose sum is σ = 1981919627496. Its totient is φ = 660590325192.

The previous prime is 1321230200971. The next prime is 1321230201029. The reversal of 1321230201022 is 2201020321231.

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 (1321230201029) 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, 12320928 + ... + 12427699.

It is an arithmetic number, because the mean of its divisors is an integer number (247739953437).

Almost surely, 2^{1321230201022} is an apocalyptic number.

1321230201022 is a deficient number, since it is larger than the sum of its proper divisors (660689426474).

1321230201022 is a wasteful number, since it uses less digits than its factorization.

1321230201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24775322.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1321230201022 its reverse (2201020321231), we get a palindrome (3522250522253).

The spelling of 1321230201022 in words is "one trillion, three hundred twenty-one billion, two hundred thirty million, two hundred one thousand, twenty-two".