120123311122320 has 160 divisors (see below), whose sum is σ = 406312873847424. Its totient is φ = 29115234508800.

The previous prime is 120123311122303. The next prime is 120123311122427. The reversal of 120123311122320 is 23221113321021.

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 31 ways as a sum of consecutive naturals, for example, 9467590 + ... + 18162650.

Almost surely, 2^{120123311122320} is an apocalyptic number.

120123311122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120123311122320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203156436923712).

120123311122320 is an abundant number, since it is smaller than the sum of its proper divisors (286189562725104).

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

120123311122320 is a wasteful number, since it uses less digits than its factorization.

120123311122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700321 (or 8700315 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 120123311122320 its reverse (23221113321021), we get a palindrome (143344424443341).

The spelling of 120123311122320 in words is "one hundred twenty trillion, one hundred twenty-three billion, three hundred eleven million, one hundred twenty-two thousand, three hundred twenty".