12612762227 has 16 divisors (see below), whose sum is σ = 13931658048. Its totient is φ = 11344389120.

The previous prime is 12612762199. The next prime is 12612762257. The reversal of 12612762227 is 72226721621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12612762227 - 2⁸ = 12612761971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12612762257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424283 + ... + 453035.

It is an arithmetic number, because the mean of its divisors is an integer number (870728628).

Almost surely, 2^12612762227 is an apocalyptic number.

12612762227 is a deficient number, since it is larger than the sum of its proper divisors (1318895821).

12612762227 is a wasteful number, since it uses less digits than its factorization.

12612762227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29630.

The product of its digits is 56448, while the sum is 38.

The spelling of 12612762227 in words is "twelve billion, six hundred twelve million, seven hundred sixty-two thousand, two hundred twenty-seven".