1322021232123 has 4 divisors (see below), whose sum is σ = 1762694976168. Its totient is φ = 881347488080.

The previous prime is 1322021232121. The next prime is 1322021232137. The reversal of 1322021232123 is 3212321202231.

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

It is a cyclic number.

It is not a de Polignac number, because 1322021232123 - 2¹ = 1322021232121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322021232093 and 1322021232102.

It is not an unprimeable number, because it can be changed into a prime (1322021232121) 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, 220336872018 + ... + 220336872023.

It is an arithmetic number, because the mean of its divisors is an integer number (440673744042).

Almost surely, 2^{1322021232123} is an apocalyptic number.

1322021232123 is a deficient number, since it is larger than the sum of its proper divisors (440673744045).

1322021232123 is an equidigital number, since it uses as much as digits as its factorization.

1322021232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440673744044.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1322021232123 its reverse (3212321202231), we get a palindrome (4534342434354).

The spelling of 1322021232123 in words is "one trillion, three hundred twenty-two billion, twenty-one million, two hundred thirty-two thousand, one hundred twenty-three".