212112322104 has 64 divisors (see below), whose sum is σ = 537795159840. Its totient is φ = 69703096320.

The previous prime is 212112322091. The next prime is 212112322129. The reversal of 212112322104 is 401223211212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3892164 + ... + 3946284.

Almost surely, 2^212112322104 is an apocalyptic number.

212112322104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212112322104 is an abundant number, since it is smaller than the sum of its proper divisors (325682837736).

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

212112322104 is a wasteful number, since it uses less digits than its factorization.

212112322104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56440 (or 56436 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 212112322104 its reverse (401223211212), we get a palindrome (613335533316).

The spelling of 212112322104 in words is "two hundred twelve billion, one hundred twelve million, three hundred twenty-two thousand, one hundred four".