133030121220 has 72 divisors (see below), whose sum is σ = 403584627264. Its totient is φ = 35469430848.

The previous prime is 133030121167. The next prime is 133030121221. The reversal of 133030121220 is 22121030331.

133030121220 is a `hidden beast` number, since 1 + 330 + 301 + 2 + 12 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 133030121193 and 133030121202.

It is not an unprimeable number, because it can be changed into a prime (133030121221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1245987 + ... + 1348533.

Almost surely, 2^133030121220 is an apocalyptic number.

133030121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133030121220 is an abundant number, since it is smaller than the sum of its proper divisors (270554506044).

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

133030121220 is a wasteful number, since it uses less digits than its factorization.

133030121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109769 (or 109764 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 133030121220 its reverse (22121030331), we get a palindrome (155151151551).

The spelling of 133030121220 in words is "one hundred thirty-three billion, thirty million, one hundred twenty-one thousand, two hundred twenty".