1200273100026 has 64 divisors (see below), whose sum is σ = 3223110998016. Its totient is φ = 287777764800.

The previous prime is 1200273099967. The next prime is 1200273100063. The reversal of 1200273100026 is 6200013720021.

It is a junction number, because it is equal to n+sod(n) for n = 1200273099969 and 1200273100005.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 99916830 + ... + 99928841.

It is an arithmetic number, because the mean of its divisors is an integer number (50361109344).

Almost surely, 2^{1200273100026} is an apocalyptic number.

1200273100026 is an abundant number, since it is smaller than the sum of its proper divisors (2022837897990).

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

1200273100026 is a wasteful number, since it uses less digits than its factorization.

1200273100026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199845707.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 1200273100026 its reverse (6200013720021), we get a palindrome (7400286820047).

The spelling of 1200273100026 in words is "one trillion, two hundred billion, two hundred seventy-three million, one hundred thousand, twenty-six".