30012220033 has 8 divisors (see below), whose sum is σ = 30063306600. Its totient is φ = 29961176448.

The previous prime is 30012219983. The next prime is 30012220097. The reversal of 30012220033 is 33002221003.

It can be written as a sum of positive squares in 4 ways, for example, as 12080867569 + 17931352464 = 109913^2 + 133908^2 .

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 30012220033 - 2¹⁷ = 30012088961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012219989 and 30012220016.

It is not an unprimeable number, because it can be changed into a prime (30012280033) 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, 1581123 + ... + 1599991.

It is an arithmetic number, because the mean of its divisors is an integer number (3757913325).

Almost surely, 2^30012220033 is an apocalyptic number.

It is an amenable number.

30012220033 is a deficient number, since it is larger than the sum of its proper divisors (51086567).

30012220033 is a wasteful number, since it uses less digits than its factorization.

30012220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21491.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30012220033 its reverse (33002221003), we get a palindrome (63014441036).

The spelling of 30012220033 in words is "thirty billion, twelve million, two hundred twenty thousand, thirty-three".