1201022232197 has 2 divisors, whose sum is σ = 1201022232198. Its totient is φ = 1201022232196.

The previous prime is 1201022232187. The next prime is 1201022232259. The reversal of 1201022232197 is 7912322201021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1200632998756 + 389233441 = 1095734^2 + 19729^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201022232197 - 2¹² = 1201022228101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201022232187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600511116098 + 600511116099.

It is an arithmetic number, because the mean of its divisors is an integer number (600511116099).

Almost surely, 2^{1201022232197} is an apocalyptic number.

It is an amenable number.

1201022232197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201022232197 is an equidigital number, since it uses as much as digits as its factorization.

1201022232197 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 32.

The spelling of 1201022232197 in words is "one trillion, two hundred one billion, twenty-two million, two hundred thirty-two thousand, one hundred ninety-seven".