133123130120 has 64 divisors (see below), whose sum is σ = 327376857600. Its totient is φ = 48500259840.

The previous prime is 133123130113. The next prime is 133123130141. The reversal of 133123130120 is 21031321331.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 133123130092 and 133123130101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3136490 + ... + 3178649.

It is an arithmetic number, because the mean of its divisors is an integer number (5115263400).

Almost surely, 2^133123130120 is an apocalyptic number.

133123130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133123130120 is an abundant number, since it is smaller than the sum of its proper divisors (194253727480).

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

133123130120 is a wasteful number, since it uses less digits than its factorization.

133123130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315198 (or 6315194 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133123130120 its reverse (21031321331), we get a palindrome (154154451451).

The spelling of 133123130120 in words is "one hundred thirty-three billion, one hundred twenty-three million, one hundred thirty thousand, one hundred twenty".