212201141 has 4 divisors (see below), whose sum is σ = 212556000. Its totient is φ = 211846284.

The previous prime is 212201137. The next prime is 212201147. The reversal of 212201141 is 141102212.

It is a happy number.

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 212201141 - 2² = 212201137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201147) 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, 176531 + ... + 177728.

It is an arithmetic number, because the mean of its divisors is an integer number (53139000).

Almost surely, 2^212201141 is an apocalyptic number.

It is an amenable number.

212201141 is a deficient number, since it is larger than the sum of its proper divisors (354859).

212201141 is an equidigital number, since it uses as much as digits as its factorization.

212201141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354858.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 212201141 is about 14567.1253512833. The cubic root of 212201141 is about 596.4617131899.

Adding to 212201141 its reverse (141102212), we get a palindrome (353303353).

The spelling of 212201141 in words is "two hundred twelve million, two hundred one thousand, one hundred forty-one".