120311221300 has 18 divisors (see below), whose sum is σ = 261075350438. Its totient is φ = 48124488480.

The previous prime is 120311221231. The next prime is 120311221301. The reversal of 120311221300 is 3122113021.

It can be written as a sum of positive squares in 3 ways, for example, as 2265379216 + 118045842084 = 47596^2 + 343578^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120311221301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 601556007 + ... + 601556206.

Almost surely, 2^120311221300 is an apocalyptic number.

120311221300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120311221300 is an abundant number, since it is smaller than the sum of its proper divisors (140764129138).

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

120311221300 is a wasteful number, since it uses less digits than its factorization.

120311221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203112227 (or 1203112220 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120311221300 its reverse (3122113021), we get a palindrome (123433334321).

The spelling of 120311221300 in words is "one hundred twenty billion, three hundred eleven million, two hundred twenty-one thousand, three hundred".