122220132009 has 16 divisors (see below), whose sum is σ = 170650571904. Its totient is φ = 77660105600.

The previous prime is 122220131951. The next prime is 122220132029. The reversal of 122220132009 is 900231022221.

It is a cyclic number.

It is not a de Polignac number, because 122220132009 - 2²¹ = 122218034857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122220132009.

It is not an unprimeable number, because it can be changed into a prime (122220132029) 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, 3132402 + ... + 3171179.

It is an arithmetic number, because the mean of its divisors is an integer number (10665660744).

Almost surely, 2^122220132009 is an apocalyptic number.

It is an amenable number.

122220132009 is a deficient number, since it is larger than the sum of its proper divisors (48430439895).

122220132009 is a wasteful number, since it uses less digits than its factorization.

122220132009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303888.

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 122220132009 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred thirty-two thousand, nine".