120533612100 has 144 divisors (see below), whose sum is σ = 384215783616. Its totient is φ = 28930880000.

The previous prime is 120533612081. The next prime is 120533612153. The reversal of 120533612100 is 1216335021.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152482 + ... + 514118.

It is an arithmetic number, because the mean of its divisors is an integer number (2668165164).

Almost surely, 2^120533612100 is an apocalyptic number.

120533612100 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 120533612100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192107891808).

120533612100 is an abundant number, since it is smaller than the sum of its proper divisors (263682171516).

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

120533612100 is a wasteful number, since it uses less digits than its factorization.

120533612100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361766 (or 361759 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 120533612100 its reverse (1216335021), we get a palindrome (121749947121).

The spelling of 120533612100 in words is "one hundred twenty billion, five hundred thirty-three million, six hundred twelve thousand, one hundred".