120113421000 has 256 divisors, whose sum is σ = 398926944000. Its totient is φ = 30002227200.

The previous prime is 120113420983. The next prime is 120113421007. The reversal of 120113421000 is 124311021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (120113421007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5061162 + ... + 5084838.

It is an arithmetic number, because the mean of its divisors is an integer number (1558308375).

Almost surely, 2^120113421000 is an apocalyptic number.

120113421000 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 120113421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199463472000).

120113421000 is an abundant number, since it is smaller than the sum of its proper divisors (278813523000).

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

120113421000 is a wasteful number, since it uses less digits than its factorization.

120113421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23809 (or 23795 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 120113421000 its reverse (124311021), we get a palindrome (120237732021).

The spelling of 120113421000 in words is "one hundred twenty billion, one hundred thirteen million, four hundred twenty-one thousand".