1224213442135 has 16 divisors (see below), whose sum is σ = 1486121670720. Its totient is φ = 968002013440.

The previous prime is 1224213442079. The next prime is 1224213442159. The reversal of 1224213442135 is 5312443124221.

It is a de Polignac number, because none of the positive numbers 2^k-1224213442135 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1224213442135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668505 + ... + 1701565.

It is an arithmetic number, because the mean of its divisors is an integer number (92882604420).

Almost surely, 2^{1224213442135} is an apocalyptic number.

1224213442135 is a deficient number, since it is larger than the sum of its proper divisors (261908228585).

1224213442135 is a wasteful number, since it uses less digits than its factorization.

1224213442135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035818.

The product of its digits is 46080, while the sum is 34.

Adding to 1224213442135 its reverse (5312443124221), we get a palindrome (6536656566356).

The spelling of 1224213442135 in words is "one trillion, two hundred twenty-four billion, two hundred thirteen million, four hundred forty-two thousand, one hundred thirty-five".