1224343012 has 6 divisors (see below), whose sum is σ = 2142600278. Its totient is φ = 612171504.

The previous prime is 1224342961. The next prime is 1224343013. The reversal of 1224343012 is 2103434221.

It can be written as a sum of positive squares in only one way, i.e., 911194596 + 313148416 = 30186^2 + 17696^2 .

It is a super-2 number, since 2×1224343012² = 2998031622066464288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1224343013) 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, 153042873 + ... + 153042880.

Almost surely, 2^1224343012 is an apocalyptic number.

It is an amenable number.

1224343012 is a deficient number, since it is larger than the sum of its proper divisors (918257266).

1224343012 is a wasteful number, since it uses less digits than its factorization.

1224343012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306085757 (or 306085755 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1224343012 is about 34990.6131983994. The cubic root of 1224343012 is about 1069.7961622947.

Adding to 1224343012 its reverse (2103434221), we get a palindrome (3327777233).

It can be divided in two parts, 12243 and 43012, that added together give a palindrome (55255).

The spelling of 1224343012 in words is "one billion, two hundred twenty-four million, three hundred forty-three thousand, twelve".