102020020012112 has 10 divisors (see below), whose sum is σ = 197663788773498. Its totient is φ = 51010010006048.

The previous prime is 102020020012111. The next prime is 102020020012117. The reversal of 102020020012112 is 211210020020201.

It can be written as a sum of positive squares in only one way, i.e., 93261048294976 + 8758971717136 = 9657176^2 + 2959556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020020012111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3188125625363 + ... + 3188125625394.

Almost surely, 2^{102020020012112} is an apocalyptic number.

It is an amenable number.

102020020012112 is a deficient number, since it is larger than the sum of its proper divisors (95643768761386).

102020020012112 is an equidigital number, since it uses as much as digits as its factorization.

102020020012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376251250765 (or 6376251250759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102020020012112 its reverse (211210020020201), we get a palindrome (313230040032313).

The spelling of 102020020012112 in words is "one hundred two trillion, twenty billion, twenty million, twelve thousand, one hundred twelve".