102202012 has 48 divisors (see below), whose sum is σ = 201618144. Its totient is φ = 44928000.

The previous prime is 102201991. The next prime is 102202021. The reversal of 102202012 is 210202201.

It is a self number, because there is not a number n which added to its sum of digits gives 102202012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326368 + ... + 326680.

It is an arithmetic number, because the mean of its divisors is an integer number (4200378).

Almost surely, 2^102202012 is an apocalyptic number.

It is an amenable number.

102202012 is a deficient number, since it is larger than the sum of its proper divisors (99416132).

102202012 is a wasteful number, since it uses less digits than its factorization.

102202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 102202012 is about 10109.5010757208. The cubic root of 102202012 is about 467.5411225229.

Adding to 102202012 its reverse (210202201), we get a palindrome (312404213).

It can be divided in two parts, 10 and 2202012, that added together give a palindrome (2202022).

The spelling of 102202012 in words is "one hundred two million, two hundred two thousand, twelve".