1000303212121 has 8 divisors (see below), whose sum is σ = 1002034800000. Its totient is φ = 998571830880.

The previous prime is 1000303212049. The next prime is 1000303212137. The reversal of 1000303212121 is 1212123030001.

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 1000303212121 - 2²³ = 1000294823513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000303212095 and 1000303212104.

It is not an unprimeable number, because it can be changed into a prime (1000303212421) 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, 12087916 + ... + 12170386.

It is an arithmetic number, because the mean of its divisors is an integer number (125254350000).

Almost surely, 2^{1000303212121} is an apocalyptic number.

It is an amenable number.

1000303212121 is a deficient number, since it is larger than the sum of its proper divisors (1731587879).

1000303212121 is an equidigital number, since it uses as much as digits as its factorization.

1000303212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103319.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1000303212121 its reverse (1212123030001), we get a palindrome (2212426242122).

The spelling of 1000303212121 in words is "one trillion, three hundred three million, two hundred twelve thousand, one hundred twenty-one".