102320340212 has 12 divisors (see below), whose sum is σ = 186845838816. Its totient is φ = 48935814840.

The previous prime is 102320340209. The next prime is 102320340223. The reversal of 102320340212 is 212043023201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556088714 + ... + 556088897.

It is an arithmetic number, because the mean of its divisors is an integer number (15570486568).

Almost surely, 2^102320340212 is an apocalyptic number.

It is an amenable number.

102320340212 is a deficient number, since it is larger than the sum of its proper divisors (84525498604).

102320340212 is a wasteful number, since it uses less digits than its factorization.

102320340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112177638 (or 1112177636 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102320340212 its reverse (212043023201), we get a palindrome (314363363413).

The spelling of 102320340212 in words is "one hundred two billion, three hundred twenty million, three hundred forty thousand, two hundred twelve".