120200312100 has 144 divisors (see below), whose sum is σ = 383153351616. Its totient is φ = 28850880000.

The previous prime is 120200312093. The next prime is 120200312129. The reversal of 120200312100 is 1213002021.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152982 + ... + 513618.

It is an arithmetic number, because the mean of its divisors is an integer number (2660787164).

Almost surely, 2^120200312100 is an apocalyptic number.

120200312100 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 120200312100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191576675808).

120200312100 is an abundant number, since it is smaller than the sum of its proper divisors (262953039516).

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

120200312100 is a wasteful number, since it uses less digits than its factorization.

120200312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360766 (or 360759 counting only the distinct ones).

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

Adding to 120200312100 its reverse (1213002021), we get a palindrome (121413314121).

The spelling of 120200312100 in words is "one hundred twenty billion, two hundred million, three hundred twelve thousand, one hundred".