212061133 has 4 divisors (see below), whose sum is σ = 216573120. Its totient is φ = 207549148.

The previous prime is 212061103. The next prime is 212061149. The reversal of 212061133 is 331160212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212061133 - 2¹³ = 212052941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212061133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212061103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2255923 + ... + 2256016.

It is an arithmetic number, because the mean of its divisors is an integer number (54143280).

Almost surely, 2^212061133 is an apocalyptic number.

It is an amenable number.

212061133 is a deficient number, since it is larger than the sum of its proper divisors (4511987).

212061133 is an equidigital number, since it uses as much as digits as its factorization.

212061133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511986.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 212061133 is about 14562.3189430805. The cubic root of 212061133 is about 596.3305046832.

The spelling of 212061133 in words is "two hundred twelve million, sixty-one thousand, one hundred thirty-three".