122020616264 has 16 divisors (see below), whose sum is σ = 229425955200. Its totient is φ = 60840361552.

The previous prime is 122020616257. The next prime is 122020616273. The reversal of 122020616264 is 462616020221.

It is a self number, because there is not a number n which added to its sum of digits gives 122020616264.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21240272 + ... + 21246015.

It is an arithmetic number, because the mean of its divisors is an integer number (14339122200).

Almost surely, 2^122020616264 is an apocalyptic number.

It is an amenable number.

122020616264 is a deficient number, since it is larger than the sum of its proper divisors (107405338936).

122020616264 is a wasteful number, since it uses less digits than its factorization.

122020616264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42486652 (or 42486648 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 122020616264 its reverse (462616020221), we get a palindrome (584636636485).

The spelling of 122020616264 in words is "one hundred twenty-two billion, twenty million, six hundred sixteen thousand, two hundred sixty-four".