200203120213997 has 2 divisors, whose sum is σ = 200203120213998. Its totient is φ = 200203120213996.

The previous prime is 200203120213981. The next prime is 200203120214033. The reversal of 200203120213997 is 799312021302002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161417888941156 + 38785231272841 = 12705034^2 + 6227779^2 .

It is a cyclic number.

It is not a de Polignac number, because 200203120213997 - 2⁴ = 200203120213981 is a prime.

It is a super-3 number, since 3×200203120213997³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200203120213297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100101560106998 + 100101560106999.

It is an arithmetic number, because the mean of its divisors is an integer number (100101560106999).

Almost surely, 2^{200203120213997} is an apocalyptic number.

It is an amenable number.

200203120213997 is a deficient number, since it is larger than the sum of its proper divisors (1).

200203120213997 is an equidigital number, since it uses as much as digits as its factorization.

200203120213997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

Adding to 200203120213997 its reverse (799312021302002), we get a palindrome (999515141515999).

The spelling of 200203120213997 in words is "two hundred trillion, two hundred three billion, one hundred twenty million, two hundred thirteen thousand, nine hundred ninety-seven".