122311304544140 has 24 divisors (see below), whose sum is σ = 256859366939280. Its totient is φ = 48923449932608.

The previous prime is 122311304544119. The next prime is 122311304544193. The reversal of 122311304544140 is 41445403113221.

It is a self number, because there is not a number n which added to its sum of digits gives 122311304544140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66056807 + ... + 67883166.

It is an arithmetic number, because the mean of its divisors is an integer number (10702473622470).

Almost surely, 2^{122311304544140} is an apocalyptic number.

122311304544140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122311304544140 is an abundant number, since it is smaller than the sum of its proper divisors (134548062395140).

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

122311304544140 is a wasteful number, since it uses less digits than its factorization.

122311304544140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133985641 (or 133985639 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 122311304544140 its reverse (41445403113221), we get a palindrome (163756707657361).

The spelling of 122311304544140 in words is "one hundred twenty-two trillion, three hundred eleven billion, three hundred four million, five hundred forty-four thousand, one hundred forty".