104131212 has 24 divisors (see below), whose sum is σ = 253537536. Its totient is φ = 33201168.

The previous prime is 104131211. The next prime is 104131213. The reversal of 104131212 is 212131401.

It is an interprime number because it is at equal distance from previous prime (104131211) and next prime (104131213).

It is a junction number, because it is equal to n+sod(n) for n = 104131191 and 104131200.

It is not an unprimeable number, because it can be changed into a prime (104131211) 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, 188368 + ... + 188919.

It is an arithmetic number, because the mean of its divisors is an integer number (10564064).

Almost surely, 2^104131212 is an apocalyptic number.

104131212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104131212 is an abundant number, since it is smaller than the sum of its proper divisors (149406324).

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

104131212 is a wasteful number, since it uses less digits than its factorization.

104131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377317 (or 377315 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 104131212 is about 10204.4701969284. The cubic root of 104131212 is about 470.4646257929.

Adding to 104131212 its reverse (212131401), we get a palindrome (316262613).

The spelling of 104131212 in words is "one hundred four million, one hundred thirty-one thousand, two hundred twelve".