1100012012123 has 2 divisors, whose sum is σ = 1100012012124. Its totient is φ = 1100012012122.

The previous prime is 1100012012053. The next prime is 1100012012131. The reversal of 1100012012123 is 3212102100011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100012012123 - 2⁸ = 1100012011867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100012012098 and 1100012012107.

It is not a weakly prime, because it can be changed into another prime (1100012012153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550006006061 + 550006006062.

It is an arithmetic number, because the mean of its divisors is an integer number (550006006062).

Almost surely, 2^{1100012012123} is an apocalyptic number.

1100012012123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100012012123 is an equidigital number, since it uses as much as digits as its factorization.

1100012012123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1100012012123 its reverse (3212102100011), we get a palindrome (4312114112134).

The spelling of 1100012012123 in words is "one trillion, one hundred billion, twelve million, twelve thousand, one hundred twenty-three".