212130104 has 16 divisors (see below), whose sum is σ = 415037520. Its totient is φ = 101453440.

The previous prime is 212130101. The next prime is 212130109. The reversal of 212130104 is 401031212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212130101) 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 3 ways as a sum of consecutive naturals, for example, 576257 + ... + 576624.

It is an arithmetic number, because the mean of its divisors is an integer number (25939845).

Almost surely, 2^212130104 is an apocalyptic number.

It is an amenable number.

212130104 is a deficient number, since it is larger than the sum of its proper divisors (202907416).

212130104 is a wasteful number, since it uses less digits than its factorization.

212130104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152910 (or 1152906 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 212130104 is about 14564.6868830058. The cubic root of 212130104 is about 596.3951480755.

Adding to 212130104 its reverse (401031212), we get a palindrome (613161316).

The spelling of 212130104 in words is "two hundred twelve million, one hundred thirty thousand, one hundred four".