1012102112112 has 80 divisors (see below), whose sum is σ = 3217965703680. Its totient is φ = 266928028416.

The previous prime is 1012102112093. The next prime is 1012102112149. The reversal of 1012102112112 is 2112112012101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012102112091 and 1012102112100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115849812 + ... + 115858547.

It is an arithmetic number, because the mean of its divisors is an integer number (40224571296).

Almost surely, 2^{1012102112112} is an apocalyptic number.

1012102112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012102112112 is an abundant number, since it is smaller than the sum of its proper divisors (2205863591568).

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

1012102112112 is a wasteful number, since it uses less digits than its factorization.

1012102112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231708390 (or 231708384 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1012102112112 its reverse (2112112012101), we get a palindrome (3124214124213).

The spelling of 1012102112112 in words is "one trillion, twelve billion, one hundred two million, one hundred twelve thousand, one hundred twelve".