102030243112 has 32 divisors (see below), whose sum is σ = 218722651200. Its totient is φ = 43709963904.

The previous prime is 102030243103. The next prime is 102030243173. The reversal of 102030243112 is 211342030201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102030243112.

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, 216613 + ... + 500980.

It is an arithmetic number, because the mean of its divisors is an integer number (6835082850).

Almost surely, 2^102030243112 is an apocalyptic number.

It is an amenable number.

102030243112 is an abundant number, since it is smaller than the sum of its proper divisors (116692408088).

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

102030243112 is a wasteful number, since it uses less digits than its factorization.

102030243112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720145 (or 720141 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102030243112 its reverse (211342030201), we get a palindrome (313372273313).

The spelling of 102030243112 in words is "one hundred two billion, thirty million, two hundred forty-three thousand, one hundred twelve".