1001200010916 has 36 divisors (see below), whose sum is σ = 2717542888368. Its totient is φ = 286057145808.

The previous prime is 1001200010891. The next prime is 1001200010917. The reversal of 1001200010916 is 6190100021001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1001200010892 and 1001200010901.

It is not an unprimeable number, because it can be changed into a prime (1001200010917) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 851359966 + ... + 851361141.

Almost surely, 2^{1001200010916} is an apocalyptic number.

It is an amenable number.

1001200010916 is an abundant number, since it is smaller than the sum of its proper divisors (1716342877452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001200010916 is a wasteful number, since it uses less digits than its factorization.

1001200010916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702721128 (or 1702721119 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 1001200010916 its reverse (6190100021001), we get a palindrome (7191300031917).

The spelling of 1001200010916 in words is "one trillion, one billion, two hundred million, ten thousand, nine hundred sixteen".