120533205100 has 144 divisors (see below), whose sum is σ = 343260529920. Its totient is φ = 35591443200.

The previous prime is 120533205083. The next prime is 120533205103. The reversal of 120533205100 is 1502335021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (120533205103) 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, 265639 + ... + 558238.

It is an arithmetic number, because the mean of its divisors is an integer number (2383753680).

Almost surely, 2^120533205100 is an apocalyptic number.

120533205100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120533205100 is an abundant number, since it is smaller than the sum of its proper divisors (222727324820).

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

120533205100 is a wasteful number, since it uses less digits than its factorization.

120533205100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823928 (or 823921 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The spelling of 120533205100 in words is "one hundred twenty billion, five hundred thirty-three million, two hundred five thousand, one hundred".