1322123032121 has 4 divisors (see below), whose sum is σ = 1323148730100. Its totient is φ = 1321097334144.

The previous prime is 1322123032099. The next prime is 1322123032123. The reversal of 1322123032121 is 1212303212231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1241787066025 + 80335966096 = 1114355^2 + 283436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322123032121 - 2¹⁴ = 1322123015737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322123032123) 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, 512847056 + ... + 512849633.

It is an arithmetic number, because the mean of its divisors is an integer number (330787182525).

Almost surely, 2^{1322123032121} is an apocalyptic number.

It is an amenable number.

1322123032121 is a deficient number, since it is larger than the sum of its proper divisors (1025697979).

1322123032121 is a wasteful number, since it uses less digits than its factorization.

1322123032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025697978.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1322123032121 its reverse (1212303212231), we get a palindrome (2534426244352).

The spelling of 1322123032121 in words is "one trillion, three hundred twenty-two billion, one hundred twenty-three million, thirty-two thousand, one hundred twenty-one".