30121101300 has 108 divisors (see below), whose sum is σ = 91104759200. Its totient is φ = 7683023040.

The previous prime is 30121101289. The next prime is 30121101317. The reversal of 30121101300 is 310112103.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 63801 + ... + 253599.

Almost surely, 2^30121101300 is an apocalyptic number.

30121101300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30121101300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45552379600).

30121101300 is an abundant number, since it is smaller than the sum of its proper divisors (60983657900).

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

30121101300 is a wasteful number, since it uses less digits than its factorization.

30121101300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189862 (or 189832 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30121101300 its reverse (310112103), we get a palindrome (30431213403).

The spelling of 30121101300 in words is "thirty billion, one hundred twenty-one million, one hundred one thousand, three hundred".