120120021300 has 72 divisors (see below), whose sum is σ = 359531676000. Its totient is φ = 30927451520.

The previous prime is 120120021293. The next prime is 120120021311. The reversal of 120120021300 is 3120021021.

It is a super-2 number, since 2×120120021300² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6894750 + ... + 6912149.

It is an arithmetic number, because the mean of its divisors is an integer number (4993495500).

Almost surely, 2^120120021300 is an apocalyptic number.

120120021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120120021300 is an abundant number, since it is smaller than the sum of its proper divisors (239411654700).

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

120120021300 is a wasteful number, since it uses less digits than its factorization.

120120021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13806945 (or 13806938 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 120120021300 its reverse (3120021021), we get a palindrome (123240042321).

The spelling of 120120021300 in words is "one hundred twenty billion, one hundred twenty million, twenty-one thousand, three hundred".