200112212197 has 2 divisors, whose sum is σ = 200112212198. Its totient is φ = 200112212196.

The previous prime is 200112212191. The next prime is 200112212233. The reversal of 200112212197 is 791212211002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101562678721 + 98549533476 = 318689^2 + 313926^2 .

It is a cyclic number.

It is not a de Polignac number, because 200112212197 - 2³ = 200112212189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200112212191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100056106098 + 100056106099.

It is an arithmetic number, because the mean of its divisors is an integer number (100056106099).

Almost surely, 2^200112212197 is an apocalyptic number.

It is an amenable number.

200112212197 is a deficient number, since it is larger than the sum of its proper divisors (1).

200112212197 is an equidigital number, since it uses as much as digits as its factorization.

200112212197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

Adding to 200112212197 its reverse (791212211002), we get a palindrome (991324423199).

The spelling of 200112212197 in words is "two hundred billion, one hundred twelve million, two hundred twelve thousand, one hundred ninety-seven".