1223003242042 has 8 divisors (see below), whose sum is σ = 1834961106132. Its totient is φ = 611349540000.

The previous prime is 1223003242039. The next prime is 1223003242061. The reversal of 1223003242042 is 2402423003221.

It can be written as a sum of positive squares in 2 ways, for example, as 1221398518561 + 1604723481 = 1105169^2 + 40059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1223003241998 and 1223003242016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76030459 + ... + 76046542.

Almost surely, 2^{1223003242042} is an apocalyptic number.

1223003242042 is a deficient number, since it is larger than the sum of its proper divisors (611957864090).

1223003242042 is a wasteful number, since it uses less digits than its factorization.

1223003242042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152081024.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 1223003242042 its reverse (2402423003221), we get a palindrome (3625426245263).

The spelling of 1223003242042 in words is "one trillion, two hundred twenty-three billion, three million, two hundred forty-two thousand, forty-two".