12270215231 has 2 divisors, whose sum is σ = 12270215232. Its totient is φ = 12270215230.

The previous prime is 12270215207. The next prime is 12270215303. The reversal of 12270215231 is 13251207221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12270215231 - 2¹⁴ = 12270198847 is a prime.

It is a super-2 number, since 2×12270215231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12270215231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12270212231) 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, 6135107615 + 6135107616.

It is an arithmetic number, because the mean of its divisors is an integer number (6135107616).

Almost surely, 2^12270215231 is an apocalyptic number.

12270215231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12270215231 is an equidigital number, since it uses as much as digits as its factorization.

12270215231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The spelling of 12270215231 in words is "twelve billion, two hundred seventy million, two hundred fifteen thousand, two hundred thirty-one".