200001229999957 has 2 divisors, whose sum is σ = 200001229999958. Its totient is φ = 200001229999956.

The previous prime is 200001229999951. The next prime is 200001229999969. The reversal of 200001229999957 is 759999922100002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183613096252881 + 16388133747076 = 13550391^2 + 4048226^2 .

It is a cyclic number.

It is not a de Polignac number, because 200001229999957 - 2⁴⁷ = 59263741644629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200001229999951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000614999978 + 100000614999979.

It is an arithmetic number, because the mean of its divisors is an integer number (100000614999979).

Almost surely, 2^{200001229999957} is an apocalyptic number.

It is an amenable number.

200001229999957 is a deficient number, since it is larger than the sum of its proper divisors (1).

200001229999957 is an equidigital number, since it uses as much as digits as its factorization.

200001229999957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16533720, while the sum is 64.

The spelling of 200001229999957 in words is "two hundred trillion, one billion, two hundred twenty-nine million, nine hundred ninety-nine thousand, nine hundred fifty-seven".