212342104 has 32 divisors (see below), whose sum is σ = 453993120. Its totient is φ = 92238336.

The previous prime is 212342101. The next prime is 212342111. The reversal of 212342104 is 401243212.

It is a super-2 number, since 2×212342104² = 90178338262293632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212342101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58284 + ... + 61819.

It is an arithmetic number, because the mean of its divisors is an integer number (14187285).

Almost surely, 2^212342104 is an apocalyptic number.

It is an amenable number.

212342104 is an abundant number, since it is smaller than the sum of its proper divisors (241651016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212342104 is a wasteful number, since it uses less digits than its factorization.

212342104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120139 (or 120135 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 212342104 is about 14571.9629425826. The cubic root of 212342104 is about 596.5937583827.

Adding to 212342104 its reverse (401243212), we get a palindrome (613585316).

The spelling of 212342104 in words is "two hundred twelve million, three hundred forty-two thousand, one hundred four".