12100201021123 has 2 divisors, whose sum is σ = 12100201021124. Its totient is φ = 12100201021122.

The previous prime is 12100201021091. The next prime is 12100201021141. The reversal of 12100201021123 is 32112010200121.

12100201021123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12100201021123 - 2⁵ = 12100201021091 is a prime.

It is a super-2 number, since 2×12100201021123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12100201021097 and 12100201021106.

It is not a weakly prime, because it can be changed into another prime (12100201021193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050100510561 + 6050100510562.

It is an arithmetic number, because the mean of its divisors is an integer number (6050100510562).

Almost surely, 2^{12100201021123} is an apocalyptic number.

12100201021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100201021123 is an equidigital number, since it uses as much as digits as its factorization.

12100201021123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12100201021123 its reverse (32112010200121), we get a palindrome (44212211221244).

The spelling of 12100201021123 in words is "twelve trillion, one hundred billion, two hundred one million, twenty-one thousand, one hundred twenty-three".