102321030512 has 20 divisors (see below), whose sum is σ = 198320695800. Its totient is φ = 51141496128.

The previous prime is 102321030481. The next prime is 102321030521. The reversal of 102321030512 is 215030123201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144262 + ... + 1230437.

It is an arithmetic number, because the mean of its divisors is an integer number (9916034790).

Almost surely, 2^102321030512 is an apocalyptic number.

It is an amenable number.

102321030512 is a deficient number, since it is larger than the sum of its proper divisors (95999665288).

102321030512 is a wasteful number, since it uses less digits than its factorization.

102321030512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377400 (or 2377394 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 102321030512 its reverse (215030123201), we get a palindrome (317351153713).

The spelling of 102321030512 in words is "one hundred two billion, three hundred twenty-one million, thirty thousand, five hundred twelve".