1322021240343 has 6 divisors (see below), whose sum is σ = 1909586236064. Its totient is φ = 881347493556.

The previous prime is 1322021240269. The next prime is 1322021240347. The reversal of 1322021240343 is 3430421202231.

1322021240343 is a `hidden beast` number, since 1 + 3 + 2 + 2 + 0 + 212 + 403 + 43 = 666.

It is not a de Polignac number, because 1322021240343 - 2⁸ = 1322021240087 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 (1322021240347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73445624455 + ... + 73445624472.

Almost surely, 2^{1322021240343} is an apocalyptic number.

1322021240343 is a deficient number, since it is larger than the sum of its proper divisors (587564995721).

1322021240343 is a wasteful number, since it uses less digits than its factorization.

1322021240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146891248933 (or 146891248930 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1322021240343 its reverse (3430421202231), we get a palindrome (4752442442574).

The spelling of 1322021240343 in words is "one trillion, three hundred twenty-two billion, twenty-one million, two hundred forty thousand, three hundred forty-three".