213012041 has 8 divisors (see below), whose sum is σ = 232621824. Its totient is φ = 193443120.

The previous prime is 213012011. The next prime is 213012043. The reversal of 213012041 is 140210312.

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 213012041 - 2¹⁰ = 213011017 is a prime.

It is a super-2 number, since 2×213012041² = 90748259221971362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213012043) 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, 1256 + ... + 20678.

It is an arithmetic number, because the mean of its divisors is an integer number (29077728).

Almost surely, 2^213012041 is an apocalyptic number.

It is an amenable number.

213012041 is a deficient number, since it is larger than the sum of its proper divisors (19609783).

213012041 is a wasteful number, since it uses less digits than its factorization.

213012041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20431.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 213012041 is about 14594.9320313594. The cubic root of 213012041 is about 597.2205152866.

Adding to 213012041 its reverse (140210312), we get a palindrome (353222353).

The spelling of 213012041 in words is "two hundred thirteen million, twelve thousand, forty-one".