104140212 has 24 divisors (see below), whose sum is σ = 265084512. Its totient is φ = 31557600.

The previous prime is 104140207. The next prime is 104140217. The reversal of 104140212 is 212041401.

It is an interprime number because it is at equal distance from previous prime (104140207) and next prime (104140217).

It is a junction number, because it is equal to n+sod(n) for n = 104140191 and 104140200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104140217) 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, 394339 + ... + 394602.

It is an arithmetic number, because the mean of its divisors is an integer number (11045188).

Almost surely, 2^104140212 is an apocalyptic number.

104140212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104140212 is an abundant number, since it is smaller than the sum of its proper divisors (160944300).

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

104140212 is a wasteful number, since it uses less digits than its factorization.

104140212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788959 (or 788957 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 104140212 is about 10204.9111706080. The cubic root of 104140212 is about 470.4781793969.

Adding to 104140212 its reverse (212041401), we get a palindrome (316181613).

The spelling of 104140212 in words is "one hundred four million, one hundred forty thousand, two hundred twelve".