12001211001023 has 2 divisors, whose sum is σ = 12001211001024. Its totient is φ = 12001211001022.

The previous prime is 12001211001007. The next prime is 12001211001029. The reversal of 12001211001023 is 32010011210021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12001211001023 - 2⁴ = 12001211001007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12001211000989 and 12001211001007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001211001029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000605500511 + 6000605500512.

It is an arithmetic number, because the mean of its divisors is an integer number (6000605500512).

Almost surely, 2^{12001211001023} is an apocalyptic number.

12001211001023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001211001023 is an equidigital number, since it uses as much as digits as its factorization.

12001211001023 is an evil number, because the sum of its binary digits is even.

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

Adding to 12001211001023 its reverse (32010011210021), we get a palindrome (44011222211044).

The spelling of 12001211001023 in words is "twelve trillion, one billion, two hundred eleven million, one thousand, twenty-three".