272212133 has 4 divisors (see below), whose sum is σ = 272422668. Its totient is φ = 272001600.

The previous prime is 272212111. The next prime is 272212159. The reversal of 272212133 is 331212272.

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 37724164 + 234487969 = 6142^2 + 15313^2 .

It is a cyclic number.

It is not a de Polignac number, because 272212133 - 2¹⁸ = 271949989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 272212099 and 272212108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272212163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103316 + ... + 105917.

It is an arithmetic number, because the mean of its divisors is an integer number (68105667).

Almost surely, 2^272212133 is an apocalyptic number.

It is an amenable number.

272212133 is a deficient number, since it is larger than the sum of its proper divisors (210535).

272212133 is a wasteful number, since it uses less digits than its factorization.

272212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210534.

The product of its digits is 1008, while the sum is 23.

The square root of 272212133 is about 16498.8524752481. The cubic root of 272212133 is about 648.0907548611.

The spelling of 272212133 in words is "two hundred seventy-two million, two hundred twelve thousand, one hundred thirty-three".