120133400100 has 72 divisors (see below), whose sum is σ = 397241116608. Its totient is φ = 27459062400.

The previous prime is 120133400069. The next prime is 120133400113. The reversal of 120133400100 is 1004331021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120133400100.

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 23 ways as a sum of consecutive naturals, for example, 28601091 + ... + 28605290.

Almost surely, 2^120133400100 is an apocalyptic number.

120133400100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120133400100 is an abundant number, since it is smaller than the sum of its proper divisors (277107716508).

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

120133400100 is a wasteful number, since it uses less digits than its factorization.

120133400100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57206405 (or 57206398 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120133400100 its reverse (1004331021), we get a palindrome (121137731121).

The spelling of 120133400100 in words is "one hundred twenty billion, one hundred thirty-three million, four hundred thousand, one hundred".