1200212330123 has 2 divisors, whose sum is σ = 1200212330124. Its totient is φ = 1200212330122.

The previous prime is 1200212330113. The next prime is 1200212330129. The reversal of 1200212330123 is 3210332120021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200212330123 - 2²⁰ = 1200211281547 is a prime.

It is a super-2 number, since 2×1200212330123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200212330095 and 1200212330104.

It is not a weakly prime, because it can be changed into another prime (1200212330129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600106165061 + 600106165062.

It is an arithmetic number, because the mean of its divisors is an integer number (600106165062).

Almost surely, 2^{1200212330123} is an apocalyptic number.

1200212330123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200212330123 is an equidigital number, since it uses as much as digits as its factorization.

1200212330123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1200212330123 its reverse (3210332120021), we get a palindrome (4410544450144).

The spelling of 1200212330123 in words is "one trillion, two hundred billion, two hundred twelve million, three hundred thirty thousand, one hundred twenty-three".