12001231122029 has 2 divisors, whose sum is σ = 12001231122030. Its totient is φ = 12001231122028.

The previous prime is 12001231122007. The next prime is 12001231122107. The reversal of 12001231122029 is 92022113210021.

12001231122029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11575148559529 + 426082562500 = 3402227^2 + 652750^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001231122029 - 2¹² = 12001231117933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12001231121989 and 12001231122007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001231122329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000615561014 + 6000615561015.

It is an arithmetic number, because the mean of its divisors is an integer number (6000615561015).

Almost surely, 2^{12001231122029} is an apocalyptic number.

It is an amenable number.

12001231122029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001231122029 is an equidigital number, since it uses as much as digits as its factorization.

12001231122029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 12001231122029 in words is "twelve trillion, one billion, two hundred thirty-one million, one hundred twenty-two thousand, twenty-nine".