2000030121197 has 2 divisors, whose sum is σ = 2000030121198. Its totient is φ = 2000030121196.

The previous prime is 2000030121083. The next prime is 2000030121223. The reversal of 2000030121197 is 7911210300002.

It is an a-pointer prime, because the next prime (2000030121223) can be obtained adding 2000030121197 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1869088185316 + 130941935881 = 1367146^2 + 361859^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000030121197 - 2¹⁸ = 2000029859053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000030121697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000015060598 + 1000015060599.

It is an arithmetic number, because the mean of its divisors is an integer number (1000015060599).

Almost surely, 2^{2000030121197} is an apocalyptic number.

It is an amenable number.

2000030121197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000030121197 is an equidigital number, since it uses as much as digits as its factorization.

2000030121197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 2000030121197 its reverse (7911210300002), we get a palindrome (9911240421199).

The spelling of 2000030121197 in words is "two trillion, thirty million, one hundred twenty-one thousand, one hundred ninety-seven".