1002102002012 has 24 divisors (see below), whose sum is σ = 1756216894656. Its totient is φ = 500325916608.

The previous prime is 1002102001937. The next prime is 1002102002017. The reversal of 1002102002012 is 2102002012001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002102001984 and 1002102002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002102002017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32120573 + ... + 32151755.

It is an arithmetic number, because the mean of its divisors is an integer number (73175703944).

Almost surely, 2^{1002102002012} is an apocalyptic number.

It is an amenable number.

1002102002012 is a deficient number, since it is larger than the sum of its proper divisors (754114892644).

1002102002012 is a wasteful number, since it uses less digits than its factorization.

1002102002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42557 (or 42555 counting only the distinct ones).

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

Adding to 1002102002012 its reverse (2102002012001), we get a palindrome (3104104014013).

The spelling of 1002102002012 in words is "one trillion, two billion, one hundred two million, two thousand, twelve".