30012132031121 has 2 divisors, whose sum is σ = 30012132031122. Its totient is φ = 30012132031120.

The previous prime is 30012132031099. The next prime is 30012132031127. The reversal of 30012132031121 is 12113023121003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29987276932096 + 24855099025 = 5476064^2 + 157655^2 .

It is a cyclic number.

It is not a de Polignac number, because 30012132031121 - 2³⁰ = 30011058289297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30012132031093 and 30012132031102.

It is not a weakly prime, because it can be changed into another prime (30012132031127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006066015560 + 15006066015561.

It is an arithmetic number, because the mean of its divisors is an integer number (15006066015561).

Almost surely, 2^{30012132031121} is an apocalyptic number.

It is an amenable number.

30012132031121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30012132031121 is an equidigital number, since it uses as much as digits as its factorization.

30012132031121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30012132031121 its reverse (12113023121003), we get a palindrome (42125155152124).

The spelling of 30012132031121 in words is "thirty trillion, twelve billion, one hundred thirty-two million, thirty-one thousand, one hundred twenty-one".