1200007750100 has 36 divisors (see below), whose sum is σ = 2635390532544. Its totient is φ = 474219926880.

The previous prime is 1200007750063. The next prime is 1200007750129. The reversal of 1200007750100 is 10577000021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72281324 + ... + 72297923.

Almost surely, 2^{1200007750100} is an apocalyptic number.

1200007750100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200007750100 is an abundant number, since it is smaller than the sum of its proper divisors (1435382782444).

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

1200007750100 is a wasteful number, since it uses less digits than its factorization.

1200007750100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144579344 (or 144579337 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 23.

The spelling of 1200007750100 in words is "one trillion, two hundred billion, seven million, seven hundred fifty thousand, one hundred".