12020001002117 has 2 divisors, whose sum is σ = 12020001002118. Its totient is φ = 12020001002116.

The previous prime is 12020001002047. The next prime is 12020001002137. The reversal of 12020001002117 is 71120010002021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11979344732161 + 40656269956 = 3461119^2 + 201634^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020001002117 - 2³⁰ = 12018927260293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12020001002095 and 12020001002104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020001002137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010000501058 + 6010000501059.

It is an arithmetic number, because the mean of its divisors is an integer number (6010000501059).

Almost surely, 2^{12020001002117} is an apocalyptic number.

It is an amenable number.

12020001002117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020001002117 is an equidigital number, since it uses as much as digits as its factorization.

12020001002117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 12020001002117 its reverse (71120010002021), we get a palindrome (83140011004138).

The spelling of 12020001002117 in words is "twelve trillion, twenty billion, one million, two thousand, one hundred seventeen".