1322223212421 has 48 divisors (see below), whose sum is σ = 1994234112000. Its totient is φ = 843210466560.

The previous prime is 1322223212413. The next prime is 1322223212477. The reversal of 1322223212421 is 1242123222231.

1322223212421 is a `hidden beast` number, since 1 + 3 + 2 + 2 + 2 + 23 + 212 + 421 = 666.

It is not a de Polignac number, because 1322223212421 - 2³ = 1322223212413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322223212621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118910100 + ... + 118921218.

It is an arithmetic number, because the mean of its divisors is an integer number (41546544000).

Almost surely, 2^{1322223212421} is an apocalyptic number.

It is an amenable number.

1322223212421 is a deficient number, since it is larger than the sum of its proper divisors (672010899579).

1322223212421 is a wasteful number, since it uses less digits than its factorization.

1322223212421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16034 (or 16031 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 1322223212421 its reverse (1242123222231), we get a palindrome (2564346434652).

The spelling of 1322223212421 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-three million, two hundred twelve thousand, four hundred twenty-one".