212135104 has 28 divisors (see below), whose sum is σ = 421693848. Its totient is φ = 105881600.

The previous prime is 212135101. The next prime is 212135117. The reversal of 212135104 is 401531212.

It is not an unprimeable number, because it can be changed into a prime (212135101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38439 + ... + 43609.

Almost surely, 2^212135104 is an apocalyptic number.

It is an amenable number.

212135104 is a deficient number, since it is larger than the sum of its proper divisors (209558744).

212135104 is an equidigital number, since it uses as much as digits as its factorization.

212135104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824 (or 5814 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 212135104 is about 14564.8585300373. The cubic root of 212135104 is about 596.3998338042.

Adding to 212135104 its reverse (401531212), we get a palindrome (613666316).

The spelling of 212135104 in words is "two hundred twelve million, one hundred thirty-five thousand, one hundred four".