104001212 has 36 divisors (see below), whose sum is σ = 219547440. Its totient is φ = 42221952.

The previous prime is 104001203. The next prime is 104001253. The reversal of 104001212 is 212100401.

It is a junction number, because it is equal to n+sod(n) for n = 104001193 and 104001202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4964 + ... + 15252.

It is an arithmetic number, because the mean of its divisors is an integer number (6098540).

Almost surely, 2^104001212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104001212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109773720).

104001212 is an abundant number, since it is smaller than the sum of its proper divisors (115546228).

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

104001212 is a wasteful number, since it uses less digits than its factorization.

104001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10338 (or 10317 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 104001212 is about 10198.0984502014. The cubic root of 104001212 is about 470.2687643432.

Adding to 104001212 its reverse (212100401), we get a palindrome (316101613).

The spelling of 104001212 in words is "one hundred four million, one thousand, two hundred twelve".