30012121300 has 72 divisors (see below), whose sum is σ = 78808330944. Its totient is φ = 9684579840.

The previous prime is 30012121241. The next prime is 30012121301. The reversal of 30012121300 is 312121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012121301) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1249114 + ... + 1272913.

It is an arithmetic number, because the mean of its divisors is an integer number (1094560152).

Almost surely, 2^30012121300 is an apocalyptic number.

It is an amenable number.

30012121300 is an abundant number, since it is smaller than the sum of its proper divisors (48796209644).

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

30012121300 is a wasteful number, since it uses less digits than its factorization.

30012121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522065 (or 2522058 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30012121300 its reverse (312121003), we get a palindrome (30324242303).

The spelling of 30012121300 in words is "thirty billion, twelve million, one hundred twenty-one thousand, three hundred".