1001012000188 has 24 divisors (see below), whose sum is σ = 1783487003760. Its totient is φ = 491525556480.

The previous prime is 1001012000179. The next prime is 1001012000189. The reversal of 1001012000188 is 8810002101001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001012000189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10109578 + ... + 10208113.

It is an arithmetic number, because the mean of its divisors is an integer number (74311958490).

Almost surely, 2^{1001012000188} is an apocalyptic number.

It is an amenable number.

1001012000188 is a deficient number, since it is larger than the sum of its proper divisors (782475003572).

1001012000188 is a wasteful number, since it uses less digits than its factorization.

1001012000188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20317917 (or 20317915 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 22.

Adding to 1001012000188 its reverse (8810002101001), we get a palindrome (9811014101189).

The spelling of 1001012000188 in words is "one trillion, one billion, twelve million, one hundred eighty-eight", and thus it is an aban number.