1200100232123 has 8 divisors (see below), whose sum is σ = 1292604652416. Its totient is φ = 1107622814400.

The previous prime is 1200100232099. The next prime is 1200100232173. The reversal of 1200100232123 is 3212320010021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200100232123 - 2⁸ = 1200100231867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200100232173) 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 7 ways as a sum of consecutive naturals, for example, 6658283 + ... + 6836148.

It is an arithmetic number, because the mean of its divisors is an integer number (161575581552).

Almost surely, 2^{1200100232123} is an apocalyptic number.

1200100232123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1200100232123 is a deficient number, since it is larger than the sum of its proper divisors (92504420293).

1200100232123 is a wasteful number, since it uses less digits than its factorization.

1200100232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13501285.

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

Adding to 1200100232123 its reverse (3212320010021), we get a palindrome (4412420242144).

The spelling of 1200100232123 in words is "one trillion, two hundred billion, one hundred million, two hundred thirty-two thousand, one hundred twenty-three".