1222121000207 has 2 divisors, whose sum is σ = 1222121000208. Its totient is φ = 1222121000206.

The previous prime is 1222121000197. The next prime is 1222121000239. The reversal of 1222121000207 is 7020001212221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222121000207 - 2¹² = 1222120996111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222121000257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611060500103 + 611060500104.

It is an arithmetic number, because the mean of its divisors is an integer number (611060500104).

Almost surely, 2^{1222121000207} is an apocalyptic number.

1222121000207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222121000207 is an equidigital number, since it uses as much as digits as its factorization.

1222121000207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 1222121000207 its reverse (7020001212221), we get a palindrome (8242122212428).

The spelling of 1222121000207 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred seven", and thus it is an aban number.