120311312200 has 24 divisors (see below), whose sum is σ = 279723801330. Its totient is φ = 48124524800.

The previous prime is 120311312141. The next prime is 120311312249. The reversal of 120311312200 is 2213113021.

It can be written as a sum of positive squares in 3 ways, for example, as 103705897156 + 16605415044 = 322034^2 + 128862^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300778081 + ... + 300778480.

Almost surely, 2^120311312200 is an apocalyptic number.

120311312200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120311312200 is an abundant number, since it is smaller than the sum of its proper divisors (159412489130).

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

120311312200 is a wasteful number, since it uses less digits than its factorization.

120311312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601556577 (or 601556568 counting only the distinct ones).

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

Adding to 120311312200 its reverse (2213113021), we get a palindrome (122524425221).

It can be divided in two parts, 12031 and 1312200, that added together give a palindrome (1324231).

The spelling of 120311312200 in words is "one hundred twenty billion, three hundred eleven million, three hundred twelve thousand, two hundred".