120321310000 has 100 divisors (see below), whose sum is σ = 298085638312. Its totient is φ = 47009088000.

The previous prime is 120321309929. The next prime is 120321310007. The reversal of 120321310000 is 13123021.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×120321310000² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120321310007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 290092 + ... + 569908.

Almost surely, 2^120321310000 is an apocalyptic number.

120321310000 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 120321310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149042819156).

120321310000 is an abundant number, since it is smaller than the sum of its proper divisors (177764328312).

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

120321310000 is an equidigital number, since it uses as much as digits as its factorization.

120321310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279888 (or 279867 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 120321310000 its reverse (13123021), we get a palindrome (120334433021).

The spelling of 120321310000 in words is "one hundred twenty billion, three hundred twenty-one million, three hundred ten thousand".