12121122121039 has 2 divisors, whose sum is σ = 12121122121040. Its totient is φ = 12121122121038.

The previous prime is 12121122120959. The next prime is 12121122121067. The reversal of 12121122121039 is 93012122112121.

12121122121039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12121122121067) can be obtained adding 12121122121039 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12121122121039 - 2²⁹ = 12120585250127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12121122120998 and 12121122121016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121122121939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060561060519 + 6060561060520.

It is an arithmetic number, because the mean of its divisors is an integer number (6060561060520).

Almost surely, 2^{12121122121039} is an apocalyptic number.

12121122121039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121122121039 is an equidigital number, since it uses as much as digits as its factorization.

12121122121039 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 28.

The spelling of 12121122121039 in words is "twelve trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred twenty-one thousand, thirty-nine".