102020011012 has 12 divisors (see below), whose sum is σ = 179717371456. Its totient is φ = 50672190600.

The previous prime is 102020011003. The next prime is 102020011031. The reversal of 102020011012 is 210110020201.

It is a self number, because there is not a number n which added to its sum of digits gives 102020011012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84453048 + ... + 84454255.

Almost surely, 2^102020011012 is an apocalyptic number.

It is an amenable number.

102020011012 is a deficient number, since it is larger than the sum of its proper divisors (77697360444).

102020011012 is a wasteful number, since it uses less digits than its factorization.

102020011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168907458 (or 168907456 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102020011012 its reverse (210110020201), we get a palindrome (312130031213).

The spelling of 102020011012 in words is "one hundred two billion, twenty million, eleven thousand, twelve".