100340012 has 6 divisors (see below), whose sum is σ = 175595028. Its totient is φ = 50170004.

The previous prime is 100340003. The next prime is 100340017. The reversal of 100340012 is 210043001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100339975 and 100340002.

It is not an unprimeable number, because it can be changed into a prime (100340017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12542498 + ... + 12542505.

It is an arithmetic number, because the mean of its divisors is an integer number (29265838).

Almost surely, 2^100340012 is an apocalyptic number.

It is an amenable number.

100340012 is a deficient number, since it is larger than the sum of its proper divisors (75255016).

100340012 is a wasteful number, since it uses less digits than its factorization.

100340012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25085007 (or 25085005 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 100340012 is about 10016.9861734955. The cubic root of 100340012 is about 464.6843535574.

Adding to 100340012 its reverse (210043001), we get a palindrome (310383013).

The spelling of 100340012 in words is "one hundred million, three hundred forty thousand, twelve".