30112123221253 has 2 divisors, whose sum is σ = 30112123221254. Its totient is φ = 30112123221252.

The previous prime is 30112123221247. The next prime is 30112123221281. The reversal of 30112123221253 is 35212232121103.

It is an a-pointer prime, because the next prime (30112123221281) can be obtained adding 30112123221253 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25157216395809 + 4954906825444 = 5015697^2 + 2225962^2 .

It is a cyclic number.

It is not a de Polignac number, because 30112123221253 - 2⁹ = 30112123220741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30112123221953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056061610626 + 15056061610627.

It is an arithmetic number, because the mean of its divisors is an integer number (15056061610627).

Almost surely, 2^{30112123221253} is an apocalyptic number.

It is an amenable number.

30112123221253 is a deficient number, since it is larger than the sum of its proper divisors (1).

30112123221253 is an equidigital number, since it uses as much as digits as its factorization.

30112123221253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 30112123221253 its reverse (35212232121103), we get a palindrome (65324355342356).

The spelling of 30112123221253 in words is "thirty trillion, one hundred twelve billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred fifty-three".