1322123002021 has 8 divisors (see below), whose sum is σ = 1394280908000. Its totient is φ = 1250222344560.

The previous prime is 1322123002003. The next prime is 1322123002027. The reversal of 1322123002021 is 1202003212231.

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

It is a cyclic number.

It is not a de Polignac number, because 1322123002021 - 2⁵ = 1322123001989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1322123002021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322123002027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64301571 + ... + 64322128.

It is an arithmetic number, because the mean of its divisors is an integer number (174285113500).

Almost surely, 2^{1322123002021} is an apocalyptic number.

It is an amenable number.

1322123002021 is a deficient number, since it is larger than the sum of its proper divisors (72157905979).

1322123002021 is a wasteful number, since it uses less digits than its factorization.

1322123002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128624259.

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

Adding to 1322123002021 its reverse (1202003212231), we get a palindrome (2524126214252).

The spelling of 1322123002021 in words is "one trillion, three hundred twenty-two billion, one hundred twenty-three million, two thousand, twenty-one".