10102812 has 24 divisors (see below), whose sum is σ = 23626512. Its totient is φ = 3360000.

The previous prime is 10102789. The next prime is 10102837. The reversal of 10102812 is 21820101.

It is a junction number, because it is equal to n+sod(n) for n = 10102791 and 10102800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7812 + ... + 9012.

It is an arithmetic number, because the mean of its divisors is an integer number (984438).

Almost surely, 2^10102812 is an apocalyptic number.

10102812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10102812 is an abundant number, since it is smaller than the sum of its proper divisors (13523700).

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

10102812 is a wasteful number, since it uses less digits than its factorization.

10102812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 10102812 is about 3178.4920953182. The cubic root of 10102812 is about 216.1792921513.

Adding to 10102812 its reverse (21820101), we get a palindrome (31922913).

The spelling of 10102812 in words is "ten million, one hundred two thousand, eight hundred twelve".