120411222144 has 128 divisors (see below), whose sum is σ = 333946368000. Its totient is φ = 38369227776.

The previous prime is 120411222133. The next prime is 120411222203. The reversal of 120411222144 is 441222114021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21185127 + ... + 21190809.

It is an arithmetic number, because the mean of its divisors is an integer number (2608956000).

Almost surely, 2^120411222144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120411222144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166973184000).

120411222144 is an abundant number, since it is smaller than the sum of its proper divisors (213535145856).

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

120411222144 is a wasteful number, since it uses less digits than its factorization.

120411222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122 (or 8110 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 120411222144 its reverse (441222114021), we get a palindrome (561633336165).

The spelling of 120411222144 in words is "one hundred twenty billion, four hundred eleven million, two hundred twenty-two thousand, one hundred forty-four".