33012230213 has 2 divisors, whose sum is σ = 33012230214. Its totient is φ = 33012230212.

The previous prime is 33012230203. The next prime is 33012230221. The reversal of 33012230213 is 31203221033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32334513124 + 677717089 = 179818^2 + 26033^2 .

It is a cyclic number.

It is not a de Polignac number, because 33012230213 - 2¹⁶ = 33012164677 is a prime.

It is a super-2 number, since 2×33012230213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33012230203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16506115106 + 16506115107.

It is an arithmetic number, because the mean of its divisors is an integer number (16506115107).

Almost surely, 2^33012230213 is an apocalyptic number.

It is an amenable number.

33012230213 is a deficient number, since it is larger than the sum of its proper divisors (1).

33012230213 is an equidigital number, since it uses as much as digits as its factorization.

33012230213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33012230213 its reverse (31203221033), we get a palindrome (64215451246).

The spelling of 33012230213 in words is "thirty-three billion, twelve million, two hundred thirty thousand, two hundred thirteen".