30012121303333 has 4 divisors (see below), whose sum is σ = 32320746018988. Its totient is φ = 27703496587680.

The previous prime is 30012121303321. The next prime is 30012121303357. The reversal of 30012121303333 is 33330312121003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16909473324769 + 13102647978564 = 4112113^2 + 3619758^2 .

It is a cyclic number.

It is not a de Polignac number, because 30012121303333 - 2⁵ = 30012121303301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012121303298 and 30012121303307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012121303393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154312357808 + ... + 1154312357833.

It is an arithmetic number, because the mean of its divisors is an integer number (8080186504747).

Almost surely, 2^{30012121303333} is an apocalyptic number.

It is an amenable number.

30012121303333 is a deficient number, since it is larger than the sum of its proper divisors (2308624715655).

30012121303333 is a wasteful number, since it uses less digits than its factorization.

30012121303333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308624715654.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 30012121303333 its reverse (33330312121003), we get a palindrome (63342433424336).

The spelling of 30012121303333 in words is "thirty trillion, twelve billion, one hundred twenty-one million, three hundred three thousand, three hundred thirty-three".