104220312 has 32 divisors (see below), whose sum is σ = 297772800. Its totient is φ = 29777184.

The previous prime is 104220257. The next prime is 104220323. The reversal of 104220312 is 213022401.

It is a junction number, because it is equal to n+sod(n) for n = 104220291 and 104220300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310012 + ... + 310347.

It is an arithmetic number, because the mean of its divisors is an integer number (9305400).

Almost surely, 2^104220312 is an apocalyptic number.

104220312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104220312 is an abundant number, since it is smaller than the sum of its proper divisors (193552488).

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

104220312 is a wasteful number, since it uses less digits than its factorization.

104220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620375 (or 620371 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 104220312 is about 10208.8349971973. The cubic root of 104220312 is about 470.5987720852.

Adding to 104220312 its reverse (213022401), we get a palindrome (317242713).

The spelling of 104220312 in words is "one hundred four million, two hundred twenty thousand, three hundred twelve".