102555030812 has 24 divisors (see below), whose sum is σ = 193440559872. Its totient is φ = 47292984000.

The previous prime is 102555030811. The next prime is 102555030821. The reversal of 102555030812 is 218030555201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102555030811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773564 + ... + 896387.

It is an arithmetic number, because the mean of its divisors is an integer number (8060023328).

Almost surely, 2^102555030812 is an apocalyptic number.

It is an amenable number.

102555030812 is a deficient number, since it is larger than the sum of its proper divisors (90885529060).

102555030812 is a wasteful number, since it uses less digits than its factorization.

102555030812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671149 (or 1671147 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 102555030812 in words is "one hundred two billion, five hundred fifty-five million, thirty thousand, eight hundred twelve".