30000121210133 has 8 divisors (see below), whose sum is σ = 30393277430040. Its totient is φ = 29608211128320.

The previous prime is 30000121210127. The next prime is 30000121210141. The reversal of 30000121210133 is 33101212100003.

It can be written as a sum of positive squares in 4 ways, for example, as 593773501489 + 29406347708644 = 770567^2 + 5422762^2 .

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 30000121210133 - 2²⁸ = 29999852774677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000121210123) 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, 311486060 + ... + 311582357.

It is an arithmetic number, because the mean of its divisors is an integer number (3799159678755).

Almost surely, 2^{30000121210133} is an apocalyptic number.

It is an amenable number.

30000121210133 is a deficient number, since it is larger than the sum of its proper divisors (393156219907).

30000121210133 is an equidigital number, since it uses as much as digits as its factorization.

30000121210133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623069047.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30000121210133 its reverse (33101212100003), we get a palindrome (63101333310136).

The spelling of 30000121210133 in words is "thirty trillion, one hundred twenty-one million, two hundred ten thousand, one hundred thirty-three".