212001241 has 4 divisors (see below), whose sum is σ = 212055732. Its totient is φ = 211946752.

The previous prime is 212001239. The next prime is 212001253. The reversal of 212001241 is 142100212.

It is a happy number.

212001241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 162945225 + 49056016 = 12765^2 + 7004^2 .

It is a cyclic number.

It is not a de Polignac number, because 212001241 - 2¹ = 212001239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212001541) 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, 20920 + ... + 29353.

It is an arithmetic number, because the mean of its divisors is an integer number (53013933).

Almost surely, 2^212001241 is an apocalyptic number.

It is an amenable number.

212001241 is a deficient number, since it is larger than the sum of its proper divisors (54491).

212001241 is an equidigital number, since it uses as much as digits as its factorization.

212001241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54490.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 212001241 is about 14560.2623946136. The cubic root of 212001241 is about 596.2743592549.

Adding to 212001241 its reverse (142100212), we get a palindrome (354101453).

The spelling of 212001241 in words is "two hundred twelve million, one thousand, two hundred forty-one".