1200223030123 has 16 divisors (see below), whose sum is σ = 1316031117856. Its totient is φ = 1087875360000.

The previous prime is 1200223030103. The next prime is 1200223030169. The reversal of 1200223030123 is 3210303220021.

It is not a de Polignac number, because 1200223030123 - 2⁵ = 1200223030091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200223030123.

It is not an unprimeable number, because it can be changed into a prime (1200223030103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1928628 + ... + 2473873.

It is an arithmetic number, because the mean of its divisors is an integer number (82251944866).

Almost surely, 2^{1200223030123} is an apocalyptic number.

1200223030123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1200223030123 is a deficient number, since it is larger than the sum of its proper divisors (115808087733).

1200223030123 is a wasteful number, since it uses less digits than its factorization.

1200223030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4402894.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1200223030123 its reverse (3210303220021), we get a palindrome (4410526250144).

The spelling of 1200223030123 in words is "one trillion, two hundred billion, two hundred twenty-three million, thirty thousand, one hundred twenty-three".