1322104212421 has 4 divisors (see below), whose sum is σ = 1323106567200. Its totient is φ = 1321101857644.

The previous prime is 1322104212419. The next prime is 1322104212437. The reversal of 1322104212421 is 1242124012231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1322104212421 - 2¹ = 1322104212419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322104216421) 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, 501175411 + ... + 501178048.

It is an arithmetic number, because the mean of its divisors is an integer number (330776641800).

Almost surely, 2^{1322104212421} is an apocalyptic number.

It is an amenable number.

1322104212421 is a deficient number, since it is larger than the sum of its proper divisors (1002354779).

1322104212421 is a wasteful number, since it uses less digits than its factorization.

1322104212421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002354778.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1322104212421 its reverse (1242124012231), we get a palindrome (2564228224652).

The spelling of 1322104212421 in words is "one trillion, three hundred twenty-two billion, one hundred four million, two hundred twelve thousand, four hundred twenty-one".