1322122430421 has 24 divisors (see below), whose sum is σ = 2132806559520. Its totient is φ = 813613801392.

The previous prime is 1322122430417. The next prime is 1322122430443. The reversal of 1322122430421 is 1240342212231.

1322122430421 is a `hidden beast` number, since 1 + 3 + 2 + 212 + 24 + 3 + 0 + 421 = 666.

It is not a de Polignac number, because 1322122430421 - 2² = 1322122430417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322122430471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209259651 + ... + 209265968.

It is an arithmetic number, because the mean of its divisors is an integer number (88866939980).

Almost surely, 2^{1322122430421} is an apocalyptic number.

It is an amenable number.

1322122430421 is a deficient number, since it is larger than the sum of its proper divisors (810684129099).

1322122430421 is an equidigital number, since it uses as much as digits as its factorization.

1322122430421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418525647 (or 418525635 counting only the distinct ones).

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

Adding to 1322122430421 its reverse (1240342212231), we get a palindrome (2562464642652).

The spelling of 1322122430421 in words is "one trillion, three hundred twenty-two billion, one hundred twenty-two million, four hundred thirty thousand, four hundred twenty-one".