12011120020997 has 2 divisors, whose sum is σ = 12011120020998. Its totient is φ = 12011120020996.

The previous prime is 12011120020993. The next prime is 12011120021041. The reversal of 12011120020997 is 79902002111021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6904103084356 + 5107016936641 = 2627566^2 + 2259871^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011120020997 - 2² = 12011120020993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011120020993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005560010498 + 6005560010499.

It is an arithmetic number, because the mean of its divisors is an integer number (6005560010499).

Almost surely, 2^{12011120020997} is an apocalyptic number.

It is an amenable number.

12011120020997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011120020997 is an equidigital number, since it uses as much as digits as its factorization.

12011120020997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 12011120020997 in words is "twelve trillion, eleven billion, one hundred twenty million, twenty thousand, nine hundred ninety-seven".