120201201231100 has 144 divisors (see below), whose sum is σ = 287490860407296. Its totient is φ = 43258162464000.

The previous prime is 120201201231091. The next prime is 120201201231107. The reversal of 120201201231100 is 1132102102021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201201231107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181743010 + ... + 182403190.

It is an arithmetic number, because the mean of its divisors is an integer number (1996464308384).

Almost surely, 2^{120201201231100} is an apocalyptic number.

120201201231100 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 120201201231100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143745430203648).

120201201231100 is an abundant number, since it is smaller than the sum of its proper divisors (167289659176196).

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

120201201231100 is a wasteful number, since it uses less digits than its factorization.

120201201231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661916 (or 661909 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120201201231100 its reverse (1132102102021), we get a palindrome (121333303333121).

The spelling of 120201201231100 in words is "one hundred twenty trillion, two hundred one billion, two hundred one million, two hundred thirty-one thousand, one hundred".