1207221107069 has 4 divisors (see below), whose sum is σ = 1215323262300. Its totient is φ = 1199118951840.

The previous prime is 1207221107041. The next prime is 1207221107107. The reversal of 1207221107069 is 9607011227021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 553443747844 + 653777359225 = 743938^2 + 808565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1207221107069 - 2²⁰ = 1207220058493 is a prime.

It is a super-2 number, since 2×1207221107069² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207221107009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4051077392 + ... + 4051077689.

It is an arithmetic number, because the mean of its divisors is an integer number (303830815575).

Almost surely, 2^{1207221107069} is an apocalyptic number.

It is an amenable number.

1207221107069 is a deficient number, since it is larger than the sum of its proper divisors (8102155231).

1207221107069 is an equidigital number, since it uses as much as digits as its factorization.

1207221107069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8102155230.

The product of its (nonzero) digits is 21168, while the sum is 38.

The spelling of 1207221107069 in words is "one trillion, two hundred seven billion, two hundred twenty-one million, one hundred seven thousand, sixty-nine".