210102002012 has 24 divisors (see below), whose sum is σ = 422088339456. Its totient is φ = 89639929008.

The previous prime is 210102002003. The next prime is 210102002029. The reversal of 210102002012 is 210200201012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210102001984 and 210102002002.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 16818068 + ... + 16830555.

It is an arithmetic number, because the mean of its divisors is an integer number (17587014144).

Almost surely, 2^210102002012 is an apocalyptic number.

It is an amenable number.

210102002012 is an abundant number, since it is smaller than the sum of its proper divisors (211986337444).

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

210102002012 is a wasteful number, since it uses less digits than its factorization.

210102002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33648857 (or 33648855 counting only the distinct ones).

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

Adding to 210102002012 its reverse (210200201012), we get a palindrome (420302203024).

The spelling of 210102002012 in words is "two hundred ten billion, one hundred two million, two thousand, twelve".