12121130227 has 2 divisors, whose sum is σ = 12121130228. Its totient is φ = 12121130226.

The previous prime is 12121130213. The next prime is 12121130251. The reversal of 12121130227 is 72203112121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12121130227 - 2²⁷ = 11986912499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12121130198 and 12121130207.

It is not a weakly prime, because it can be changed into another prime (12121130297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060565113 + 6060565114.

It is an arithmetic number, because the mean of its divisors is an integer number (6060565114).

Almost surely, 2^12121130227 is an apocalyptic number.

12121130227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121130227 is an equidigital number, since it uses as much as digits as its factorization.

12121130227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 12121130227 its reverse (72203112121), we get a palindrome (84324242348).

The spelling of 12121130227 in words is "twelve billion, one hundred twenty-one million, one hundred thirty thousand, two hundred twenty-seven".