102020012031312 has 60 divisors (see below), whose sum is σ = 289775747302080. Its totient is φ = 33499108425024.

The previous prime is 102020012031229. The next prime is 102020012031419. The reversal of 102020012031312 is 213130210020201.

102020012031312 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 200 + 120 + 31 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 5287097112 + ... + 5287116407.

It is an arithmetic number, because the mean of its divisors is an integer number (4829595788368).

Almost surely, 2^{102020012031312} is an apocalyptic number.

102020012031312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102020012031312 is an abundant number, since it is smaller than the sum of its proper divisors (187755735270768).

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

102020012031312 is a wasteful number, since it uses less digits than its factorization.

102020012031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10574213600 (or 10574213591 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102020012031312 its reverse (213130210020201), we get a palindrome (315150222051513).

The spelling of 102020012031312 in words is "one hundred two trillion, twenty billion, twelve million, thirty-one thousand, three hundred twelve".