102302812 has 12 divisors (see below), whose sum is σ = 181187496. Its totient is φ = 50534960.

The previous prime is 102302803. The next prime is 102302819. The reversal of 102302812 is 218203201.

It is a self number, because there is not a number n which added to its sum of digits gives 102302812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102302819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153739 + ... + 154402.

It is an arithmetic number, because the mean of its divisors is an integer number (15098958).

Almost surely, 2^102302812 is an apocalyptic number.

It is an amenable number.

102302812 is a deficient number, since it is larger than the sum of its proper divisors (78884684).

102302812 is a wasteful number, since it uses less digits than its factorization.

102302812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308228 (or 308226 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 102302812 is about 10114.4852563044. The cubic root of 102302812 is about 467.6947811409.

The spelling of 102302812 in words is "one hundred two million, three hundred two thousand, eight hundred twelve".