30121313131112 has 16 divisors (see below), whose sum is σ = 64545670995360. Its totient is φ = 12909134199024.

The previous prime is 30121313131109. The next prime is 30121313131139. The reversal of 30121313131112 is 21113131312103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268940295758 + ... + 268940295869.

It is an arithmetic number, because the mean of its divisors is an integer number (4034104437210).

Almost surely, 2^{30121313131112} is an apocalyptic number.

It is an amenable number.

30121313131112 is an abundant number, since it is smaller than the sum of its proper divisors (34424357864248).

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

30121313131112 is a wasteful number, since it uses less digits than its factorization.

30121313131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537880591640 (or 537880591636 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 30121313131112 its reverse (21113131312103), we get a palindrome (51234444443215).

The spelling of 30121313131112 in words is "thirty trillion, one hundred twenty-one billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred twelve".