212669841 has 8 divisors (see below), whose sum is σ = 284071104. Its totient is φ = 141524240.

The previous prime is 212669839. The next prime is 212669879. The reversal of 212669841 is 148966212.

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 212669841 - 2¹ = 212669839 is a prime.

It is a super-2 number, since 2×212669841² = 90456922541930562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212669841.

It is not an unprimeable number, because it can be changed into a prime (212629841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61965 + ... + 65306.

It is an arithmetic number, because the mean of its divisors is an integer number (35508888).

Almost surely, 2^212669841 is an apocalyptic number.

It is an amenable number.

212669841 is a deficient number, since it is larger than the sum of its proper divisors (71401263).

212669841 is a wasteful number, since it uses less digits than its factorization.

212669841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127831.

The product of its digits is 41472, while the sum is 39.

The square root of 212669841 is about 14583.2040718081. The cubic root of 212669841 is about 596.9005358847.

The spelling of 212669841 in words is "two hundred twelve million, six hundred sixty-nine thousand, eight hundred forty-one".