122012212209 has 16 divisors (see below), whose sum is σ = 167107605888. Its totient is φ = 79129878912.

The previous prime is 122012212123. The next prime is 122012212271. The reversal of 122012212209 is 902212210221.

It is not a de Polignac number, because 122012212209 - 2⁹ = 122012211697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122012212279) 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, 601684 + ... + 778490.

It is an arithmetic number, because the mean of its divisors is an integer number (10444225368).

Almost surely, 2^122012212209 is an apocalyptic number.

It is an amenable number.

122012212209 is a deficient number, since it is larger than the sum of its proper divisors (45095393679).

122012212209 is a wasteful number, since it uses less digits than its factorization.

122012212209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183064.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 122012212209 in words is "one hundred twenty-two billion, twelve million, two hundred twelve thousand, two hundred nine".