1330203123021 has 8 divisors (see below), whose sum is σ = 1773609757504. Its totient is φ = 886799285280.

The previous prime is 1330203123013. The next prime is 1330203123023. The reversal of 1330203123021 is 1203213020331.

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

It is not a de Polignac number, because 1330203123021 - 2³ = 1330203123013 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 (1330203123023) 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, 1001736 + ... + 1914126.

It is an arithmetic number, because the mean of its divisors is an integer number (221701219688).

Almost surely, 2^{1330203123021} is an apocalyptic number.

It is an amenable number.

1330203123021 is a deficient number, since it is larger than the sum of its proper divisors (443406634483).

1330203123021 is an equidigital number, since it uses as much as digits as its factorization.

1330203123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398371.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1330203123021 its reverse (1203213020331), we get a palindrome (2533416143352).

The spelling of 1330203123021 in words is "one trillion, three hundred thirty billion, two hundred three million, one hundred twenty-three thousand, twenty-one".