121202110012209 has 16 divisors (see below), whose sum is σ = 161776113227520. Its totient is φ = 80714758400640.

The previous prime is 121202110012199. The next prime is 121202110012229. The reversal of 121202110012209 is 902210011202121.

It is not a de Polignac number, because 121202110012209 - 2²⁷ = 121201975794481 is a prime.

It is a super-2 number, since 2×121202110012209² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121202110012229) 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, 548615832 + ... + 548836710.

It is an arithmetic number, because the mean of its divisors is an integer number (10111007076720).

Almost surely, 2^{121202110012209} is an apocalyptic number.

It is an amenable number.

121202110012209 is a deficient number, since it is larger than the sum of its proper divisors (40574003215311).

121202110012209 is a wasteful number, since it uses less digits than its factorization.

121202110012209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416200.

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

The spelling of 121202110012209 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred ten million, twelve thousand, two hundred nine".