122241143440 has 80 divisors (see below), whose sum is σ = 308307485808. Its totient is φ = 44805685248.

The previous prime is 122241143411. The next prime is 122241143441. The reversal of 122241143440 is 44341142221.

It can be written as a sum of positive squares in 8 ways, for example, as 99281296 + 122141862144 = 9964^2 + 349488^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 122241143399 and 122241143408.

It is not an unprimeable number, because it can be changed into a prime (122241143441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286497 + ... + 571456.

Almost surely, 2^122241143440 is an apocalyptic number.

122241143440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122241143440 is an abundant number, since it is smaller than the sum of its proper divisors (186066342368).

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

122241143440 is a wasteful number, since it uses less digits than its factorization.

122241143440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858116 (or 858110 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 122241143440 its reverse (44341142221), we get a palindrome (166582285661).

The spelling of 122241143440 in words is "one hundred twenty-two billion, two hundred forty-one million, one hundred forty-three thousand, four hundred forty".