1200100123233 has 96 divisors (see below), whose sum is σ = 1956322368000. Its totient is φ = 702610272000.

The previous prime is 1200100123219. The next prime is 1200100123237. The reversal of 1200100123233 is 3323210010021.

It is not a de Polignac number, because 1200100123233 - 2⁴ = 1200100123217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200100123237) 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 95 ways as a sum of consecutive naturals, for example, 265330510 + ... + 265335032.

It is an arithmetic number, because the mean of its divisors is an integer number (20378358000).

Almost surely, 2^{1200100123233} is an apocalyptic number.

It is an amenable number.

1200100123233 is a deficient number, since it is larger than the sum of its proper divisors (756222244767).

1200100123233 is a wasteful number, since it uses less digits than its factorization.

1200100123233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5211 (or 5208 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1200100123233 its reverse (3323210010021), we get a palindrome (4523310133254).

The spelling of 1200100123233 in words is "one trillion, two hundred billion, one hundred million, one hundred twenty-three thousand, two hundred thirty-three".