122055000720 has 80 divisors (see below), whose sum is σ = 378513214080. Its totient is φ = 32535724032.

The previous prime is 122055000671. The next prime is 122055000751. The reversal of 122055000720 is 27000550221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550797 + ... + 739923.

It is an arithmetic number, because the mean of its divisors is an integer number (4731415176).

Almost surely, 2^122055000720 is an apocalyptic number.

122055000720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122055000720 is an abundant number, since it is smaller than the sum of its proper divisors (256458213360).

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

122055000720 is a wasteful number, since it uses less digits than its factorization.

122055000720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191832 (or 191826 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

Adding to 122055000720 its reverse (27000550221), we get a palindrome (149055550941).

The spelling of 122055000720 in words is "one hundred twenty-two billion, fifty-five million, seven hundred twenty", and thus it is an aban number.