212134113 has 8 divisors (see below), whose sum is σ = 314272800. Its totient is φ = 141422724.

The previous prime is 212134103. The next prime is 212134121. The reversal of 212134113 is 311431212.

It is not a de Polignac number, because 212134113 - 2⁶ = 212134049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212134103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928383 + ... + 3928436.

It is an arithmetic number, because the mean of its divisors is an integer number (39284100).

Almost surely, 2^212134113 is an apocalyptic number.

It is an amenable number.

212134113 is a deficient number, since it is larger than the sum of its proper divisors (102138687).

212134113 is an equidigital number, since it uses as much as digits as its factorization.

212134113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7856828 (or 7856822 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 212134113 is about 14564.8245097564. The cubic root of 212134113 is about 596.3989050986.

Adding to 212134113 its reverse (311431212), we get a palindrome (523565325).

The spelling of 212134113 in words is "two hundred twelve million, one hundred thirty-four thousand, one hundred thirteen".