220001234213197 has 2 divisors, whose sum is σ = 220001234213198. Its totient is φ = 220001234213196.

The previous prime is 220001234213161. The next prime is 220001234213207. The reversal of 220001234213197 is 791312432100022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150902896336516 + 69098337876681 = 12284254^2 + 8312541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220001234213197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220001234213797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000617106598 + 110000617106599.

It is an arithmetic number, because the mean of its divisors is an integer number (110000617106599).

Almost surely, 2^{220001234213197} is an apocalyptic number.

It is an amenable number.

220001234213197 is a deficient number, since it is larger than the sum of its proper divisors (1).

220001234213197 is an equidigital number, since it uses as much as digits as its factorization.

220001234213197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 220001234213197 in words is "two hundred twenty trillion, one billion, two hundred thirty-four million, two hundred thirteen thousand, one hundred ninety-seven".