213112127 has 2 divisors, whose sum is σ = 213112128. Its totient is φ = 213112126.

The previous prime is 213112117. The next prime is 213112139. The reversal of 213112127 is 721211312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213112127 - 2⁶ = 213112063 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 213112099 and 213112108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213112117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556063 + 106556064.

It is an arithmetic number, because the mean of its divisors is an integer number (106556064).

Almost surely, 2^213112127 is an apocalyptic number.

213112127 is a deficient number, since it is larger than the sum of its proper divisors (1).

213112127 is an equidigital number, since it uses as much as digits as its factorization.

213112127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 20.

The square root of 213112127 is about 14598.3604216364. The cubic root of 213112127 is about 597.3140374695.

Adding to 213112127 its reverse (721211312), we get a palindrome (934323439).

The spelling of 213112127 in words is "two hundred thirteen million, one hundred twelve thousand, one hundred twenty-seven".