30121131203112 has 16 divisors (see below), whose sum is σ = 75302828007840. Its totient is φ = 10040377067696.

The previous prime is 30121131203021. The next prime is 30121131203143. The reversal of 30121131203112 is 21130213112103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627523566708 + ... + 627523566755.

It is an arithmetic number, because the mean of its divisors is an integer number (4706426750490).

Almost surely, 2^{30121131203112} is an apocalyptic number.

It is an amenable number.

30121131203112 is an abundant number, since it is smaller than the sum of its proper divisors (45181696804728).

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

30121131203112 is a wasteful number, since it uses less digits than its factorization.

30121131203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255047133472 (or 1255047133468 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 30121131203112 its reverse (21130213112103), we get a palindrome (51251344315215).

The spelling of 30121131203112 in words is "thirty trillion, one hundred twenty-one billion, one hundred thirty-one million, two hundred three thousand, one hundred twelve".