2102002100012 has 12 divisors (see below), whose sum is σ = 3680668786200. Its totient is φ = 1050382446816.

The previous prime is 2102002099999. The next prime is 2102002100057. The reversal of 2102002100012 is 2100012002012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2102002099966 and 2102002100002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154643153 + ... + 154656744.

It is an arithmetic number, because the mean of its divisors is an integer number (306722398850).

Almost surely, 2^{2102002100012} is an apocalyptic number.

It is an amenable number.

2102002100012 is a deficient number, since it is larger than the sum of its proper divisors (1578666686188).

2102002100012 is a wasteful number, since it uses less digits than its factorization.

2102002100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309301600 (or 309301598 counting only the distinct ones).

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

Adding to 2102002100012 its reverse (2100012002012), we get a palindrome (4202014102024).

The spelling of 2102002100012 in words is "two trillion, one hundred two billion, two million, one hundred thousand, twelve".