1002012100010 has 16 divisors (see below), whose sum is σ = 1811497861800. Its totient is φ = 399054599616.

The previous prime is 1002012100007. The next prime is 1002012100057. The reversal of 1002012100010 is 100012102001.

It can be written as a sum of positive squares in 4 ways, for example, as 992049864289 + 9962235721 = 996017^2 + 99811^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218777645 + ... + 218782224.

Almost surely, 2^{1002012100010} is an apocalyptic number.

1002012100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002012100010 is a deficient number, since it is larger than the sum of its proper divisors (809485761790).

1002012100010 is a wasteful number, since it uses less digits than its factorization.

1002012100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437560105.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1002012100010 its reverse (100012102001), we get a palindrome (1102024202011).

The spelling of 1002012100010 in words is "one trillion, two billion, twelve million, one hundred thousand, ten".