102112012 has 12 divisors (see below), whose sum is σ = 182498400. Its totient is φ = 49969616.

The previous prime is 102112009. The next prime is 102112063. The reversal of 102112012 is 210211201.

It is a self number, because there is not a number n which added to its sum of digits gives 102112012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271387 + ... + 271762.

It is an arithmetic number, because the mean of its divisors is an integer number (15208200).

Almost surely, 2^102112012 is an apocalyptic number.

It is an amenable number.

102112012 is a deficient number, since it is larger than the sum of its proper divisors (80386388).

102112012 is a wasteful number, since it uses less digits than its factorization.

102112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543200 (or 543198 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 102112012 is about 10105.0488370913. The cubic root of 102112012 is about 467.4038419291.

Adding to 102112012 its reverse (210211201), we get a palindrome (312323213).

It can be divided in two parts, 10211201 and 2, that multiplied together give a palindrome (20422402).

The spelling of 102112012 in words is "one hundred two million, one hundred twelve thousand, twelve".