102012020012 has 12 divisors (see below), whose sum is σ = 204024040080. Its totient is φ = 43719437136.

The previous prime is 102012019981. The next prime is 102012020041. The reversal of 102012020012 is 210020210201.

It is a happy number.

102012020012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 102012019975 and 102012020002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1821643187 + ... + 1821643242.

It is an arithmetic number, because the mean of its divisors is an integer number (17002003340).

Almost surely, 2^102012020012 is an apocalyptic number.

It is an amenable number.

102012020012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102012020012 is a wasteful number, since it uses less digits than its factorization.

102012020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643286440 (or 3643286438 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102012020012 its reverse (210020210201), we get a palindrome (312032230213).

The spelling of 102012020012 in words is "one hundred two billion, twelve million, twenty thousand, twelve".