1222010212209 has 4 divisors (see below), whose sum is σ = 1629346949616. Its totient is φ = 814673474804.

The previous prime is 1222010212187. The next prime is 1222010212219. The reversal of 1222010212209 is 9022120102221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1222010212209 - 2¹³ = 1222010204017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222010212219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203668368699 + ... + 203668368704.

It is an arithmetic number, because the mean of its divisors is an integer number (407336737404).

Almost surely, 2^{1222010212209} is an apocalyptic number.

It is an amenable number.

1222010212209 is a deficient number, since it is larger than the sum of its proper divisors (407336737407).

1222010212209 is an equidigital number, since it uses as much as digits as its factorization.

1222010212209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407336737406.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 1222010212209 in words is "one trillion, two hundred twenty-two billion, ten million, two hundred twelve thousand, two hundred nine".