30202212191 has 2 divisors, whose sum is σ = 30202212192. Its totient is φ = 30202212190.

The previous prime is 30202212169. The next prime is 30202212193. The reversal of 30202212191 is 19121220203.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30202212191 - 2³⁰ = 29128470367 is a prime.

Together with 30202212193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30202212193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101106095 + 15101106096.

It is an arithmetic number, because the mean of its divisors is an integer number (15101106096).

Almost surely, 2^30202212191 is an apocalyptic number.

30202212191 is a deficient number, since it is larger than the sum of its proper divisors (1).

30202212191 is an equidigital number, since it uses as much as digits as its factorization.

30202212191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 30202212191 its reverse (19121220203), we get a palindrome (49323432394).

The spelling of 30202212191 in words is "thirty billion, two hundred two million, two hundred twelve thousand, one hundred ninety-one".