1220222201209 has 8 divisors (see below), whose sum is σ = 1389027644352. Its totient is φ = 1061062783440.

The previous prime is 1220222201201. The next prime is 1220222201227. The reversal of 1220222201209 is 9021022220221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1220222201209 - 2³ = 1220222201201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220222201201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2411506074 + ... + 2411506579.

It is an arithmetic number, because the mean of its divisors is an integer number (173628455544).

Almost surely, 2^{1220222201209} is an apocalyptic number.

It is an amenable number.

1220222201209 is a deficient number, since it is larger than the sum of its proper divisors (168805443143).

1220222201209 is a wasteful number, since it uses less digits than its factorization.

1220222201209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823012687.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 1220222201209 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred one thousand, two hundred nine".