7212201 has 4 divisors (see below), whose sum is σ = 9616272. Its totient is φ = 4808132.

The previous prime is 7212193. The next prime is 7212209. The reversal of 7212201 is 1022127.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1022127 = 3 ⋅340709.

It is an interprime number because it is at equal distance from previous prime (7212193) and next prime (7212209).

It is a cyclic number.

It is not a de Polignac number, because 7212201 - 2³ = 7212193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7212209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202031 + ... + 1202036.

It is an arithmetic number, because the mean of its divisors is an integer number (2404068).

Almost surely, 2^7212201 is an apocalyptic number.

It is an amenable number.

7212201 is a deficient number, since it is larger than the sum of its proper divisors (2404071).

7212201 is a wasteful number, since it uses less digits than its factorization.

7212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404070.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 7212201 is about 2685.5541327629. The cubic root of 7212201 is about 193.2068888490.

Adding to 7212201 its reverse (1022127), we get a palindrome (8234328).

The spelling of 7212201 in words is "seven million, two hundred twelve thousand, two hundred one".