1242434224234 has 16 divisors (see below), whose sum is σ = 2133396131328. Its totient is φ = 531594587952.

The previous prime is 1242434224223. The next prime is 1242434224243. The reversal of 1242434224234 is 4324224342421.

It is a junction number, because it is equal to n+sod(n) for n = 1242434224193 and 1242434224202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73093069 + ... + 73110064.

It is an arithmetic number, because the mean of its divisors is an integer number (133337258208).

Almost surely, 2^{1242434224234} is an apocalyptic number.

1242434224234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1242434224234 is a deficient number, since it is larger than the sum of its proper divisors (890961907094).

1242434224234 is a wasteful number, since it uses less digits than its factorization.

1242434224234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146203749.

The product of its digits is 294912, while the sum is 37.

Adding to 1242434224234 its reverse (4324224342421), we get a palindrome (5566658566655).

The spelling of 1242434224234 in words is "one trillion, two hundred forty-two billion, four hundred thirty-four million, two hundred twenty-four thousand, two hundred thirty-four".