104020012 has 6 divisors (see below), whose sum is σ = 182035028. Its totient is φ = 52010004.

The previous prime is 104019989. The next prime is 104020019. The reversal of 104020012 is 210020401.

It is not an unprimeable number, because it can be changed into a prime (104020019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13002498 + ... + 13002505.

Almost surely, 2^104020012 is an apocalyptic number.

It is an amenable number.

104020012 is a deficient number, since it is larger than the sum of its proper divisors (78015016).

104020012 is a wasteful number, since it uses less digits than its factorization.

104020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26005007 (or 26005005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 104020012 is about 10199.0201490143. The cubic root of 104020012 is about 470.2970990133.

Adding to 104020012 its reverse (210020401), we get a palindrome (314040413).

The spelling of 104020012 in words is "one hundred four million, twenty thousand, twelve".