1212314224 has 40 divisors (see below), whose sum is σ = 2564554608. Its totient is φ = 550586880.

The previous prime is 1212314197. The next prime is 1212314227. The reversal of 1212314224 is 4224132121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1212314195 and 1212314204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212314227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289554 + ... + 293710.

Almost surely, 2^1212314224 is an apocalyptic number.

It is an amenable number.

1212314224 is an abundant number, since it is smaller than the sum of its proper divisors (1352240384).

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

1212314224 is a wasteful number, since it uses less digits than its factorization.

1212314224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833 (or 5827 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1212314224 is about 34818.3030028748. The cubic root of 1212314224 is about 1066.2811546096.

Adding to 1212314224 its reverse (4224132121), we get a palindrome (5436446345).

The spelling of 1212314224 in words is "one billion, two hundred twelve million, three hundred fourteen thousand, two hundred twenty-four".