102127177012 has 48 divisors (see below), whose sum is σ = 213174178560. Its totient is φ = 41858099712.

The previous prime is 102127176971. The next prime is 102127177043. The reversal of 102127177012 is 210771721201.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4644508 + ... + 4666444.

It is an arithmetic number, because the mean of its divisors is an integer number (4441128720).

Almost surely, 2^102127177012 is an apocalyptic number.

It is an amenable number.

102127177012 is an abundant number, since it is smaller than the sum of its proper divisors (111047001548).

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

102127177012 is a wasteful number, since it uses less digits than its factorization.

102127177012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29200 (or 29198 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 31.

Adding to 102127177012 its reverse (210771721201), we get a palindrome (312898898213).

The spelling of 102127177012 in words is "one hundred two billion, one hundred twenty-seven million, one hundred seventy-seven thousand, twelve".