1200000012023 has 2 divisors, whose sum is σ = 1200000012024. Its totient is φ = 1200000012022.

The previous prime is 1200000011921. The next prime is 1200000012037. The reversal of 1200000012023 is 3202100000021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200000012023 - 2¹⁴ = 1199999995639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200000011995 and 1200000012013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200000012073) 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, 600000006011 + 600000006012.

It is an arithmetic number, because the mean of its divisors is an integer number (600000006012).

Almost surely, 2^{1200000012023} is an apocalyptic number.

1200000012023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200000012023 is an equidigital number, since it uses as much as digits as its factorization.

1200000012023 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 11.

Adding to 1200000012023 its reverse (3202100000021), we get a palindrome (4402100012044).

The spelling of 1200000012023 in words is "one trillion, two hundred billion, twelve thousand, twenty-three".