30121023130 has 128 divisors (see below), whose sum is σ = 66297242880. Its totient is φ = 9721098240.

The previous prime is 30121023109. The next prime is 30121023131. The reversal of 30121023130 is 3132012103.

It is not an unprimeable number, because it can be changed into a prime (30121023131) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2325432 + ... + 2338348.

It is an arithmetic number, because the mean of its divisors is an integer number (517947210).

Almost surely, 2^30121023130 is an apocalyptic number.

30121023130 is an abundant number, since it is smaller than the sum of its proper divisors (36176219750).

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

30121023130 is a wasteful number, since it uses less digits than its factorization.

30121023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13024.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30121023130 its reverse (3132012103), we get a palindrome (33253035233).

The spelling of 30121023130 in words is "thirty billion, one hundred twenty-one million, twenty-three thousand, one hundred thirty".