1200220022209 has 32 divisors (see below), whose sum is σ = 1391382195840. Its totient is φ = 1025358566400.

The previous prime is 1200220022201. The next prime is 1200220022237. The reversal of 1200220022209 is 9022200220021.

It is a cyclic number.

It is not a de Polignac number, because 1200220022209 - 2³ = 1200220022201 is a prime.

It is a super-2 number, since 2×1200220022209² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1200220022209.

It is not an unprimeable number, because it can be changed into a prime (1200220022201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63229882 + ... + 63248860.

It is an arithmetic number, because the mean of its divisors is an integer number (43480693620).

Almost surely, 2^{1200220022209} is an apocalyptic number.

It is an amenable number.

1200220022209 is a deficient number, since it is larger than the sum of its proper divisors (191162173631).

1200220022209 is a wasteful number, since it uses less digits than its factorization.

1200220022209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23761.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 1200220022209 in words is "one trillion, two hundred billion, two hundred twenty million, twenty-two thousand, two hundred nine".