122205606312 has 16 divisors (see below), whose sum is σ = 305514015840. Its totient is φ = 40735202096.

The previous prime is 122205606293. The next prime is 122205606379. The reversal of 122205606312 is 213606502221.

It is a self number, because there is not a number n which added to its sum of digits gives 122205606312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2545950108 + ... + 2545950155.

It is an arithmetic number, because the mean of its divisors is an integer number (19094625990).

Almost surely, 2^122205606312 is an apocalyptic number.

122205606312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122205606312 is an abundant number, since it is smaller than the sum of its proper divisors (183308409528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122205606312 is a wasteful number, since it uses less digits than its factorization.

122205606312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091900272 (or 5091900268 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 122205606312 in words is "one hundred twenty-two billion, two hundred five million, six hundred six thousand, three hundred twelve".