1210100030123 has 2 divisors, whose sum is σ = 1210100030124. Its totient is φ = 1210100030122.

The previous prime is 1210100030077. The next prime is 1210100030129. The reversal of 1210100030123 is 3210300010121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1210100030123 - 2⁸ = 1210100029867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210100030098 and 1210100030107.

It is not a weakly prime, because it can be changed into another prime (1210100030129) 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 as a sum of consecutive naturals, namely, 605050015061 + 605050015062.

It is an arithmetic number, because the mean of its divisors is an integer number (605050015062).

Almost surely, 2^{1210100030123} is an apocalyptic number.

1210100030123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210100030123 is an equidigital number, since it uses as much as digits as its factorization.

1210100030123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1210100030123 its reverse (3210300010121), we get a palindrome (4420400040244).

The spelling of 1210100030123 in words is "one trillion, two hundred ten billion, one hundred million, thirty thousand, one hundred twenty-three".