102002012 has 24 divisors (see below), whose sum is σ = 204320256. Its totient is φ = 43647408.

The previous prime is 102002003. The next prime is 102002071. The reversal of 102002012 is 210200201.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18353 + ... + 23255.

It is an arithmetic number, because the mean of its divisors is an integer number (8513344).

Almost surely, 2^102002012 is an apocalyptic number.

It is an amenable number.

102002012 is an abundant number, since it is smaller than the sum of its proper divisors (102318244).

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

102002012 is a wasteful number, since it uses less digits than its factorization.

102002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657 (or 5655 counting only the distinct ones).

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

The square root of 102002012 is about 10099.6045467137. The cubic root of 102002012 is about 467.2359449478.

Adding to 102002012 its reverse (210200201), we get a palindrome (312202213).

It can be divided in two parts, 10200201 and 2, that multiplied together give a palindrome (20400402).

The spelling of 102002012 in words is "one hundred two million, two thousand, twelve".