12012112221023 has 2 divisors, whose sum is σ = 12012112221024. Its totient is φ = 12012112221022.

The previous prime is 12012112221007. The next prime is 12012112221101. The reversal of 12012112221023 is 32012221121021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12012112221023 - 2⁴ = 12012112221007 is a prime.

It is a super-2 number, since 2×12012112221023² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12012112220986 and 12012112221004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012712221023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006056110511 + 6006056110512.

It is an arithmetic number, because the mean of its divisors is an integer number (6006056110512).

Almost surely, 2^{12012112221023} is an apocalyptic number.

12012112221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012112221023 is an equidigital number, since it uses as much as digits as its factorization.

12012112221023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12012112221023 its reverse (32012221121021), we get a palindrome (44024333342044).

The spelling of 12012112221023 in words is "twelve trillion, twelve billion, one hundred twelve million, two hundred twenty-one thousand, twenty-three".