30000121112120 has 32 divisors (see below), whose sum is σ = 67501532530800. Its totient is φ = 11999824439808.

The previous prime is 30000121112111. The next prime is 30000121112123. The reversal of 30000121112120 is 2121112100003.

It is a super-2 number, since 2×30000121112120² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30000121112095 and 30000121112104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000121112123) 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, 4822190 + ... + 9124349.

Almost surely, 2^{30000121112120} is an apocalyptic number.

It is an amenable number.

30000121112120 is an abundant number, since it is smaller than the sum of its proper divisors (37501411418680).

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

30000121112120 is a wasteful number, since it uses less digits than its factorization.

30000121112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14000327 (or 14000323 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 30000121112120 its reverse (2121112100003), we get a palindrome (32121233212123).

The spelling of 30000121112120 in words is "thirty trillion, one hundred twenty-one million, one hundred twelve thousand, one hundred twenty".