212551021133 has 8 divisors (see below), whose sum is σ = 231879264960. Its totient is φ = 193223681280.

The previous prime is 212551021117. The next prime is 212551021183. The reversal of 212551021133 is 331120155212.

212551021133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212551021133 - 2⁴ = 212551021117 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 (212551021103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323816 + ... + 727982.

It is an arithmetic number, because the mean of its divisors is an integer number (28984908120).

Almost surely, 2^212551021133 is an apocalyptic number.

It is an amenable number.

212551021133 is a deficient number, since it is larger than the sum of its proper divisors (19328243827).

212551021133 is a wasteful number, since it uses less digits than its factorization.

212551021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451987.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 212551021133 its reverse (331120155212), we get a palindrome (543671176345).

The spelling of 212551021133 in words is "two hundred twelve billion, five hundred fifty-one million, twenty-one thousand, one hundred thirty-three".