212213030133 has 16 divisors (see below), whose sum is σ = 306908356160. Its totient is φ = 129653115264.

The previous prime is 212213030111. The next prime is 212213030167. The reversal of 212213030133 is 331030312212.

It is not a de Polignac number, because 212213030133 - 2¹³ = 212213021941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212213030173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19567816 + ... + 19578657.

It is an arithmetic number, because the mean of its divisors is an integer number (19181772260).

Almost surely, 2^212213030133 is an apocalyptic number.

It is an amenable number.

212213030133 is a deficient number, since it is larger than the sum of its proper divisors (94695326027).

212213030133 is a wasteful number, since it uses less digits than its factorization.

212213030133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39146628.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 212213030133 its reverse (331030312212), we get a palindrome (543243342345).

The spelling of 212213030133 in words is "two hundred twelve billion, two hundred thirteen million, thirty thousand, one hundred thirty-three".