1200123102230 has 32 divisors (see below), whose sum is σ = 2375890199424. Its totient is φ = 433694238336.

The previous prime is 1200123102209. The next prime is 1200123102317. The reversal of 1200123102230 is 322013210021.

It is a junction number, because it is equal to n+sod(n) for n = 1200123102199 and 1200123102208.

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 15 ways as a sum of consecutive naturals, for example, 98203637 + ... + 98215856.

It is an arithmetic number, because the mean of its divisors is an integer number (74246568732).

Almost surely, 2^{1200123102230} is an apocalyptic number.

1200123102230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200123102230 is a deficient number, since it is larger than the sum of its proper divisors (1175767097194).

1200123102230 is a wasteful number, since it uses less digits than its factorization.

1200123102230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196419560.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1200123102230 its reverse (322013210021), we get a palindrome (1522136312251).

The spelling of 1200123102230 in words is "one trillion, two hundred billion, one hundred twenty-three million, one hundred two thousand, two hundred thirty".