120012012021047 has 2 divisors, whose sum is σ = 120012012021048. Its totient is φ = 120012012021046.

The previous prime is 120012012020963. The next prime is 120012012021163. The reversal of 120012012021047 is 740120210210021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120012012021047 - 2²⁶ = 120011944912183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012012021947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006006010523 + 60006006010524.

It is an arithmetic number, because the mean of its divisors is an integer number (60006006010524).

Almost surely, 2^{120012012021047} is an apocalyptic number.

120012012021047 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012012021047 is an equidigital number, since it uses as much as digits as its factorization.

120012012021047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 120012012021047 its reverse (740120210210021), we get a palindrome (860132222231068).

The spelling of 120012012021047 in words is "one hundred twenty trillion, twelve billion, twelve million, twenty-one thousand, forty-seven".