303213013223121 has 12 divisors (see below), whose sum is σ = 441125247057040. Its totient is φ = 200687749758360.

The previous prime is 303213013222981. The next prime is 303213013223209. The reversal of 303213013223121 is 121322310312303.

303213013223121 is a `hidden beast` number, since 3 + 0 + 3 + 2 + 1 + 301 + 322 + 31 + 2 + 1 = 666.

It is not a de Polignac number, because 303213013223121 - 2²⁵ = 303212979668689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (303213013225121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121188253435 + ... + 121188255936.

Almost surely, 2^{303213013223121} is an apocalyptic number.

It is an amenable number.

303213013223121 is a deficient number, since it is larger than the sum of its proper divisors (137912233833919).

303213013223121 is a wasteful number, since it uses less digits than its factorization.

303213013223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242376509516 (or 242376509513 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 303213013223121 its reverse (121322310312303), we get a palindrome (424535323535424).

The spelling of 303213013223121 in words is "three hundred three trillion, two hundred thirteen billion, thirteen million, two hundred twenty-three thousand, one hundred twenty-one".