1002100210012 has 24 divisors (see below), whose sum is σ = 1921105025280. Its totient is φ = 453594232560.

The previous prime is 1002100209991. The next prime is 1002100210019. The reversal of 1002100210012 is 2100120012001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002100210019) 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, 47635938 + ... + 47656969.

It is an arithmetic number, because the mean of its divisors is an integer number (80046042720).

Almost surely, 2^{1002100210012} is an apocalyptic number.

It is an amenable number.

1002100210012 is a deficient number, since it is larger than the sum of its proper divisors (919004815268).

1002100210012 is a wasteful number, since it uses less digits than its factorization.

1002100210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95293161 (or 95293159 counting only the distinct ones).

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

Adding to 1002100210012 its reverse (2100120012001), we get a palindrome (3102220222013).

The spelling of 1002100210012 in words is "one trillion, two billion, one hundred million, two hundred ten thousand, twelve".