30240342120121 has 16 divisors (see below), whose sum is σ = 35047447511040. Its totient is φ = 25555006910160.

The previous prime is 30240342120067. The next prime is 30240342120161. The reversal of 30240342120121 is 12102124304203.

It is not a de Polignac number, because 30240342120121 - 2⁷ = 30240342119993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30240342120161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99231460 + ... + 99535738.

It is an arithmetic number, because the mean of its divisors is an integer number (2190465469440).

Almost surely, 2^{30240342120121} is an apocalyptic number.

It is an amenable number.

30240342120121 is a deficient number, since it is larger than the sum of its proper divisors (4807105390919).

30240342120121 is a wasteful number, since it uses less digits than its factorization.

30240342120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504324.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 30240342120121 its reverse (12102124304203), we get a palindrome (42342466424324).

The spelling of 30240342120121 in words is "thirty trillion, two hundred forty billion, three hundred forty-two million, one hundred twenty thousand, one hundred twenty-one".