1005220133243 has 8 divisors (see below), whose sum is σ = 1046031201600. Its totient is φ = 965201512968.

The previous prime is 1005220133227. The next prime is 1005220133261. The reversal of 1005220133243 is 3423310225001.

It is a happy number.

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 1005220133243 - 2⁴ = 1005220133227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1005220133543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198109433 + ... + 198114506.

It is an arithmetic number, because the mean of its divisors is an integer number (130753900200).

Almost surely, 2^{1005220133243} is an apocalyptic number.

1005220133243 is a deficient number, since it is larger than the sum of its proper divisors (40811068357).

1005220133243 is an equidigital number, since it uses as much as digits as its factorization.

1005220133243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396224041.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 1005220133243 its reverse (3423310225001), we get a palindrome (4428530358244).

The spelling of 1005220133243 in words is "one trillion, five billion, two hundred twenty million, one hundred thirty-three thousand, two hundred forty-three".