102010020012 has 36 divisors (see below), whose sum is σ = 257910092440. Its totient is φ = 33996557952.

The previous prime is 102010019959. The next prime is 102010020031. The reversal of 102010020012 is 210020010201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102010019976 and 102010020003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97933 + ... + 462180.

Almost surely, 2^102010020012 is an apocalyptic number.

102010020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102010020012 is an abundant number, since it is smaller than the sum of its proper divisors (155900072428).

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

102010020012 is a wasteful number, since it uses less digits than its factorization.

102010020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565182 (or 565177 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 102010020012 its reverse (210020010201), we get a palindrome (312030030213).

The spelling of 102010020012 in words is "one hundred two billion, ten million, twenty thousand, twelve".