7212011 has 2 divisors, whose sum is σ = 7212012. Its totient is φ = 7212010.

The previous prime is 7211993. The next prime is 7212013. The reversal of 7212011 is 1102127.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7212011 is a prime.

Together with 7212013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7212013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606005 + 3606006.

It is an arithmetic number, because the mean of its divisors is an integer number (3606006).

Almost surely, 2^7212011 is an apocalyptic number.

7212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

7212011 is an equidigital number, since it uses as much as digits as its factorization.

7212011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 7212011 is about 2685.5187580801. The cubic root of 7212011 is about 193.2051922041.

Adding to 7212011 its reverse (1102127), we get a palindrome (8314138).

The spelling of 7212011 in words is "seven million, two hundred twelve thousand, eleven".