1268222312 has 24 divisors (see below), whose sum is σ = 2766149010. Its totient is φ = 543523680.

The previous prime is 1268222299. The next prime is 1268222341. The reversal of 1268222312 is 2132228621.

It can be written as a sum of positive squares in only one way, i.e., 905167396 + 363054916 = 30086^2 + 19054^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1617239 + ... + 1618022.

Almost surely, 2^1268222312 is an apocalyptic number.

It is an amenable number.

1268222312 is an abundant number, since it is smaller than the sum of its proper divisors (1497926698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1268222312 is a wasteful number, since it uses less digits than its factorization.

1268222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235281 (or 3235270 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 1268222312 is about 35612.1090641933. The cubic root of 1268222312 is about 1082.4266172451.

The spelling of 1268222312 in words is "one billion, two hundred sixty-eight million, two hundred twenty-two thousand, three hundred twelve".