30012312332121 has 16 divisors (see below), whose sum is σ = 45733188553728. Its totient is φ = 17149839814800.

The previous prime is 30012312332117. The next prime is 30012312332143. The reversal of 30012312332121 is 12123321321003.

It is not a de Polignac number, because 30012312332121 - 2² = 30012312332117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30012312332091 and 30012312332100.

It is not an unprimeable number, because it can be changed into a prime (30012312312121) 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, 5361706 + ... + 9421916.

It is an arithmetic number, because the mean of its divisors is an integer number (2858324284608).

Almost surely, 2^{30012312332121} is an apocalyptic number.

It is an amenable number.

30012312332121 is a deficient number, since it is larger than the sum of its proper divisors (15720876221607).

30012312332121 is a wasteful number, since it uses less digits than its factorization.

30012312332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412212.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 30012312332121 its reverse (12123321321003), we get a palindrome (42135633653124).

The spelling of 30012312332121 in words is "thirty trillion, twelve billion, three hundred twelve million, three hundred thirty-two thousand, one hundred twenty-one".