1012120011200 has 42 divisors (see below), whose sum is σ = 2490447806496. Its totient is φ = 404848003840.

The previous prime is 1012120011179. The next prime is 1012120011223. The reversal of 1012120011200 is 21100212101.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 316285904 + ... + 316289103.

Almost surely, 2^{1012120011200} is an apocalyptic number.

1012120011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012120011200 is an abundant number, since it is smaller than the sum of its proper divisors (1478327795296).

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

1012120011200 is an equidigital number, since it uses as much as digits as its factorization.

1012120011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632575029 (or 632575014 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1012120011200 its reverse (21100212101), we get a palindrome (1033220223301).

The spelling of 1012120011200 in words is "one trillion, twelve billion, one hundred twenty million, eleven thousand, two hundred".