122313440000 has 90 divisors (see below), whose sum is σ = 305089105860. Its totient is φ = 48925312000.

The previous prime is 122313439957. The next prime is 122313440017. The reversal of 122313440000 is 44313221.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 9 ways as a sum of consecutive naturals, for example, 222230 + ... + 542229.

It is an arithmetic number, because the mean of its divisors is an integer number (3389878954).

Almost surely, 2^122313440000 is an apocalyptic number.

122313440000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122313440000 is an abundant number, since it is smaller than the sum of its proper divisors (182775665860).

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

122313440000 is an frugal number, since it uses more digits than its factorization.

122313440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764495 (or 764466 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 122313440000 its reverse (44313221), we get a palindrome (122357753221).

The spelling of 122313440000 in words is "one hundred twenty-two billion, three hundred thirteen million, four hundred forty thousand".