102340012 has 12 divisors (see below), whose sum is σ = 179544456. Its totient is φ = 51041600.

The previous prime is 102340003. The next prime is 102340013. The reversal of 102340012 is 210043201.

It is a junction number, because it is equal to n+sod(n) for n = 102339974 and 102340001.

It is not an unprimeable number, because it can be changed into a prime (102340013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30298 + ... + 33505.

It is an arithmetic number, because the mean of its divisors is an integer number (14962038).

Almost surely, 2^102340012 is an apocalyptic number.

It is an amenable number.

102340012 is a deficient number, since it is larger than the sum of its proper divisors (77204444).

102340012 is a wasteful number, since it uses less digits than its factorization.

102340012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64208 (or 64206 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102340012 is about 10116.3240359332. The cubic root of 102340012 is about 467.7514629894.

Adding to 102340012 its reverse (210043201), we get a palindrome (312383213).

The spelling of 102340012 in words is "one hundred two million, three hundred forty thousand, twelve".