1220022201209 has 16 divisors (see below), whose sum is σ = 1399310470656. Its totient is φ = 1041986616000.

The previous prime is 1220022201199. The next prime is 1220022201239. The reversal of 1220022201209 is 9021022200221.

It is a cyclic number.

It is not a de Polignac number, because 1220022201209 - 2⁴ = 1220022201193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220022201239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5099939 + ... + 5333799.

It is an arithmetic number, because the mean of its divisors is an integer number (87456904416).

Almost surely, 2^{1220022201209} is an apocalyptic number.

It is an amenable number.

1220022201209 is a deficient number, since it is larger than the sum of its proper divisors (179288269447).

1220022201209 is a wasteful number, since it uses less digits than its factorization.

1220022201209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236536.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 1220022201209 in words is "one trillion, two hundred twenty billion, twenty-two million, two hundred one thousand, two hundred nine".