12021011020001 has 2 divisors, whose sum is σ = 12021011020002. Its totient is φ = 12021011020000.

The previous prime is 12021011019949. The next prime is 12021011020009. The reversal of 12021011020001 is 10002011012021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6747447832225 + 5273563187776 = 2597585^2 + 2296424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021011020001 is a prime.

It is not a weakly prime, because it can be changed into another prime (12021011020009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010505510000 + 6010505510001.

It is an arithmetic number, because the mean of its divisors is an integer number (6010505510001).

Almost surely, 2^{12021011020001} is an apocalyptic number.

It is an amenable number.

12021011020001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021011020001 is an equidigital number, since it uses as much as digits as its factorization.

12021011020001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12021011020001 its reverse (10002011012021), we get a palindrome (22023022032022).

The spelling of 12021011020001 in words is "twelve trillion, twenty-one billion, eleven million, twenty thousand, one".