202212222212197 has 2 divisors, whose sum is σ = 202212222212198. Its totient is φ = 202212222212196.

The previous prime is 202212222212179. The next prime is 202212222212249. The reversal of 202212222212197 is 791212222212202.

Together with previous prime (202212222212179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134621231764321 + 67590990447876 = 11602639^2 + 8221374^2 .

It is a cyclic number.

It is not a de Polignac number, because 202212222212197 - 2³¹ = 202210074728549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202212222212137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101106111106098 + 101106111106099.

It is an arithmetic number, because the mean of its divisors is an integer number (101106111106099).

Almost surely, 2^{202212222212197} is an apocalyptic number.

It is an amenable number.

202212222212197 is a deficient number, since it is larger than the sum of its proper divisors (1).

202212222212197 is an equidigital number, since it uses as much as digits as its factorization.

202212222212197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

Adding to 202212222212197 its reverse (791212222212202), we get a palindrome (993424444424399).

The spelling of 202212222212197 in words is "two hundred two trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twelve thousand, one hundred ninety-seven".