30121023102000 has 320 divisors, whose sum is σ = 98684186664960. Its totient is φ = 7902556032000.

The previous prime is 30121023101989. The next prime is 30121023102043. The reversal of 30121023102000 is 20132012103.

It is a super-2 number, since 2×30121023102000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 203980194 + ... + 204127806.

It is an arithmetic number, because the mean of its divisors is an integer number (308388083328).

Almost surely, 2^{30121023102000} is an apocalyptic number.

30121023102000 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 30121023102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49342093332480).

30121023102000 is an abundant number, since it is smaller than the sum of its proper divisors (68563163562960).

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

30121023102000 is a wasteful number, since it uses less digits than its factorization.

30121023102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148189 (or 148173 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30121023102000 its reverse (20132012103), we get a palindrome (30141155114103).

The spelling of 30121023102000 in words is "thirty trillion, one hundred twenty-one billion, twenty-three million, one hundred two thousand".