104112012 has 96 divisors (see below), whose sum is σ = 269789184. Its totient is φ = 31104000.

The previous prime is 104111977. The next prime is 104112023. The reversal of 104112012 is 210211401.

It is a happy number.

It is a super-2 number, since 2×104112012² = 21678622085376288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 638643 + ... + 638805.

It is an arithmetic number, because the mean of its divisors is an integer number (2810304).

Almost surely, 2^104112012 is an apocalyptic number.

104112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104112012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134894592).

104112012 is an abundant number, since it is smaller than the sum of its proper divisors (165677172).

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

104112012 is a wasteful number, since it uses less digits than its factorization.

104112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 104112012 is about 10203.5293893829. The cubic root of 104112012 is about 470.4357088272.

Adding to 104112012 its reverse (210211401), we get a palindrome (314323413).

The spelling of 104112012 in words is "one hundred four million, one hundred twelve thousand, twelve".