102012134244 has 12 divisors (see below), whose sum is σ = 238028313264. Its totient is φ = 34004044744.

The previous prime is 102012134221. The next prime is 102012134251. The reversal of 102012134244 is 442431210201.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4250505582 + ... + 4250505605.

It is an arithmetic number, because the mean of its divisors is an integer number (19835692772).

Almost surely, 2^102012134244 is an apocalyptic number.

It is an amenable number.

102012134244 is an abundant number, since it is smaller than the sum of its proper divisors (136016179020).

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

102012134244 is a wasteful number, since it uses less digits than its factorization.

102012134244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501011194 (or 8501011192 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 102012134244 its reverse (442431210201), we get a palindrome (544443344445).

The spelling of 102012134244 in words is "one hundred two billion, twelve million, one hundred thirty-four thousand, two hundred forty-four".