102020102112 has 48 divisors (see below), whose sum is σ = 267827675472. Its totient is φ = 34003537920.

The previous prime is 102020102089. The next prime is 102020102117. The reversal of 102020102112 is 211201020201.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020102117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135312 + ... + 1221872.

It is an arithmetic number, because the mean of its divisors is an integer number (5579743239).

Almost surely, 2^102020102112 is an apocalyptic number.

102020102112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102020102112 is an abundant number, since it is smaller than the sum of its proper divisors (165807573360).

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

102020102112 is a wasteful number, since it uses less digits than its factorization.

102020102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98851 (or 98843 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102020102112 its reverse (211201020201), we get a palindrome (313221122313).

The spelling of 102020102112 in words is "one hundred two billion, twenty million, one hundred two thousand, one hundred twelve".