201212841 has 4 divisors (see below), whose sum is σ = 268283792. Its totient is φ = 134141892.

The previous prime is 201212839. The next prime is 201212849. The reversal of 201212841 is 148212102.

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 not a de Polignac number, because 201212841 - 2¹ = 201212839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33535471 + ... + 33535476.

It is an arithmetic number, because the mean of its divisors is an integer number (67070948).

Almost surely, 2^201212841 is an apocalyptic number.

It is an amenable number.

201212841 is a deficient number, since it is larger than the sum of its proper divisors (67070951).

201212841 is an equidigital number, since it uses as much as digits as its factorization.

201212841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67070950.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 201212841 is about 14184.9512159894. The cubic root of 201212841 is about 585.9832889813.

Adding to 201212841 its reverse (148212102), we get a palindrome (349424943).

The spelling of 201212841 in words is "two hundred one million, two hundred twelve thousand, eight hundred forty-one".