1000012200100 has 36 divisors (see below), whose sum is σ = 2171781008404. Its totient is φ = 399681463680.

The previous prime is 1000012200097. The next prime is 1000012200113. The reversal of 1000012200100 is 10022100001.

It can be written as a sum of positive squares in 6 ways, for example, as 101262695524 + 898749504576 = 318218^2 + 948024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3918387 + ... + 4165786.

Almost surely, 2^{1000012200100} is an apocalyptic number.

1000012200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000012200100 is an abundant number, since it is smaller than the sum of its proper divisors (1171768808304).

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

1000012200100 is a wasteful number, since it uses less digits than its factorization.

1000012200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085424 (or 8085417 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1000012200100 its reverse (10022100001), we get a palindrome (1010034300101).

The spelling of 1000012200100 in words is "one trillion, twelve million, two hundred thousand, one hundred".