1224221241242 has 32 divisors (see below), whose sum is σ = 1898503488000. Its totient is φ = 591448550400.

The previous prime is 1224221241227. The next prime is 1224221241251. The reversal of 1224221241242 is 2421421224221.

It is a happy 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, 175612817 + ... + 175619787.

It is an arithmetic number, because the mean of its divisors is an integer number (59328234000).

Almost surely, 2^{1224221241242} is an apocalyptic number.

1224221241242 is a deficient number, since it is larger than the sum of its proper divisors (674282246758).

1224221241242 is a wasteful number, since it uses less digits than its factorization.

1224221241242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10982.

The product of its digits is 8192, while the sum is 29.

Adding to 1224221241242 its reverse (2421421224221), we get a palindrome (3645642465463).

The spelling of 1224221241242 in words is "one trillion, two hundred twenty-four billion, two hundred twenty-one million, two hundred forty-one thousand, two hundred forty-two".