1224245012 has 48 divisors (see below), whose sum is σ = 2363074560. Its totient is φ = 552375648.

The previous prime is 1224244997. The next prime is 1224245017. The reversal of 1224245012 is 2105424221.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224245017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458393 + ... + 461055.

It is an arithmetic number, because the mean of its divisors is an integer number (49230720).

Almost surely, 2^1224245012 is an apocalyptic number.

It is an amenable number.

1224245012 is a deficient number, since it is larger than the sum of its proper divisors (1138829548).

1224245012 is a wasteful number, since it uses less digits than its factorization.

1224245012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972 (or 2970 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1224245012 is about 34989.2127948029. The cubic root of 1224245012 is about 1069.7676183272.

Adding to 1224245012 its reverse (2105424221), we get a palindrome (3329669233).

The spelling of 1224245012 in words is "one billion, two hundred twenty-four million, two hundred forty-five thousand, twelve".