1224421012 has 12 divisors (see below), whose sum is σ = 2211857536. Its totient is φ = 592461720.

The previous prime is 1224420961. The next prime is 1224421027. The reversal of 1224421012 is 2101244221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4937058 + ... + 4937305.

Almost surely, 2^1224421012 is an apocalyptic number.

It is an amenable number.

1224421012 is a deficient number, since it is larger than the sum of its proper divisors (987436524).

1224421012 is a wasteful number, since it uses less digits than its factorization.

1224421012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9874398 (or 9874396 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1224421012 is about 34991.7277652876. The cubic root of 1224421012 is about 1069.8188798741.

Adding to 1224421012 its reverse (2101244221), we get a palindrome (3325665233).

The spelling of 1224421012 in words is "one billion, two hundred twenty-four million, four hundred twenty-one thousand, twelve".