104100012 has 96 divisors (see below), whose sum is σ = 287571200. Its totient is φ = 32472576.

The previous prime is 104099969. The next prime is 104100023. The reversal of 104100012 is 210001401.

It is a happy number.

It is a super-3 number, since 3×104100012³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 104099967 and 104100003.

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, 198783 + ... + 199305.

Almost surely, 2^104100012 is an apocalyptic number.

104100012 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 104100012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143785600).

104100012 is an abundant number, since it is smaller than the sum of its proper divisors (183471188).

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

104100012 is a wasteful number, since it uses less digits than its factorization.

104100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 104100012 is about 10202.9413406135. The cubic root of 104100012 is about 470.4176339183.

Adding to 104100012 its reverse (210001401), we get a palindrome (314101413).

The spelling of 104100012 in words is "one hundred four million, one hundred thousand, twelve".