102020012012 has 12 divisors (see below), whose sum is σ = 178865034096. Its totient is φ = 50915716560.

The previous prime is 102020011969. The next prime is 102020012089. The reversal of 102020012012 is 210210020201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102020011984 and 102020012002.

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 3 ways as a sum of consecutive naturals, for example, 23569928 + ... + 23574255.

It is an arithmetic number, because the mean of its divisors is an integer number (14905419508).

Almost surely, 2^102020012012 is an apocalyptic number.

It is an amenable number.

102020012012 is a deficient number, since it is larger than the sum of its proper divisors (76845022084).

102020012012 is a wasteful number, since it uses less digits than its factorization.

102020012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47144728 (or 47144726 counting only the distinct ones).

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

Adding to 102020012012 its reverse (210210020201), we get a palindrome (312230032213).

The spelling of 102020012012 in words is "one hundred two billion, twenty million, twelve thousand, twelve".