212202032197 has 2 divisors, whose sum is σ = 212202032198. Its totient is φ = 212202032196.

The previous prime is 212202032113. The next prime is 212202032221. The reversal of 212202032197 is 791230202212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106151504481 + 106050527716 = 325809^2 + 325654^2 .

It is a cyclic number.

It is not a de Polignac number, because 212202032197 - 2⁷ = 212202032069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212202032597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101016098 + 106101016099.

It is an arithmetic number, because the mean of its divisors is an integer number (106101016099).

Almost surely, 2^212202032197 is an apocalyptic number.

It is an amenable number.

212202032197 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202032197 is an equidigital number, since it uses as much as digits as its factorization.

212202032197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 212202032197 in words is "two hundred twelve billion, two hundred two million, thirty-two thousand, one hundred ninety-seven".