1202212111209 has 16 divisors (see below), whose sum is σ = 1609307611200. Its totient is φ = 798296145920.

The previous prime is 1202212111201. The next prime is 1202212111223. The reversal of 1202212111209 is 9021112122021.

It is a cyclic number.

It is not a de Polignac number, because 1202212111209 - 2³ = 1202212111201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202212111201) 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, 11744569 + ... + 11846489.

It is an arithmetic number, because the mean of its divisors is an integer number (100581725700).

Almost surely, 2^{1202212111209} is an apocalyptic number.

It is an amenable number.

1202212111209 is a deficient number, since it is larger than the sum of its proper divisors (407095499991).

1202212111209 is a wasteful number, since it uses less digits than its factorization.

1202212111209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117480.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 1202212111209 in words is "one trillion, two hundred two billion, two hundred twelve million, one hundred eleven thousand, two hundred nine".