1224133243426 has 16 divisors (see below), whose sum is σ = 1876707327744. Its totient is φ = 598584125664.

The previous prime is 1224133243393. The next prime is 1224133243427. The reversal of 1224133243426 is 6243423314221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1224133243427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4874715 + ... + 5119678.

It is an arithmetic number, because the mean of its divisors is an integer number (117294207984).

Almost surely, 2^{1224133243426} is an apocalyptic number.

1224133243426 is a deficient number, since it is larger than the sum of its proper divisors (652574084318).

1224133243426 is a wasteful number, since it uses less digits than its factorization.

1224133243426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9995745.

The product of its digits is 165888, while the sum is 37.

Adding to 1224133243426 its reverse (6243423314221), we get a palindrome (7467556557647).

It can be divided in two parts, 1224 and 133243426, that added together give a triangular number (133244650 = T₁₆₃₂₄).

The spelling of 1224133243426 in words is "one trillion, two hundred twenty-four billion, one hundred thirty-three million, two hundred forty-three thousand, four hundred twenty-six".