30396127121 has 4 divisors (see below), whose sum is σ = 30396662244. Its totient is φ = 30395592000.

The previous prime is 30396127093. The next prime is 30396127127. The reversal of 30396127121 is 12172169303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29068545025 + 1327582096 = 170495^2 + 36436^2 .

It is a cyclic number.

It is not a de Polignac number, because 30396127121 - 2⁶ = 30396127057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30396127127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170660 + ... + 299861.

It is an arithmetic number, because the mean of its divisors is an integer number (7599165561).

Almost surely, 2^30396127121 is an apocalyptic number.

It is an amenable number.

30396127121 is a deficient number, since it is larger than the sum of its proper divisors (535123).

30396127121 is an equidigital number, since it uses as much as digits as its factorization.

30396127121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535122.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 30396127121 in words is "thirty billion, three hundred ninety-six million, one hundred twenty-seven thousand, one hundred twenty-one".