1224213432234 has 32 divisors (see below), whose sum is σ = 2636870362560. Its totient is φ = 376666346112.

The previous prime is 1224213432227. The next prime is 1224213432257. The reversal of 1224213432234 is 4322343124221.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1224213432195 and 1224213432204.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1795537 + ... + 2381675.

It is an arithmetic number, because the mean of its divisors is an integer number (82402198830).

Almost surely, 2^{1224213432234} is an apocalyptic number.

1224213432234 is an abundant number, since it is smaller than the sum of its proper divisors (1412656930326).

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

1224213432234 is a wasteful number, since it uses less digits than its factorization.

1224213432234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612934.

The product of its digits is 55296, while the sum is 33.

Adding to 1224213432234 its reverse (4322343124221), we get a palindrome (5546556556455).

The spelling of 1224213432234 in words is "one trillion, two hundred twenty-four billion, two hundred thirteen million, four hundred thirty-two thousand, two hundred thirty-four".