33121230130 has 16 divisors (see below), whose sum is σ = 59632481304. Its totient is φ = 13245321600.

The previous prime is 33121230119. The next prime is 33121230139. The reversal of 33121230130 is 3103212133.

It can be written as a sum of positive squares in 4 ways, for example, as 23003485561 + 10117744569 = 151669^2 + 100587^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33121230098 and 33121230107.

It is not an unprimeable number, because it can be changed into a prime (33121230139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352197 + ... + 436216.

Almost surely, 2^33121230130 is an apocalyptic number.

33121230130 is a deficient number, since it is larger than the sum of its proper divisors (26511251174).

33121230130 is a wasteful number, since it uses less digits than its factorization.

33121230130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792621.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33121230130 its reverse (3103212133), we get a palindrome (36224442263).

The spelling of 33121230130 in words is "thirty-three billion, one hundred twenty-one million, two hundred thirty thousand, one hundred thirty".