1204201240242 has 256 divisors, whose sum is σ = 3435593011200. Its totient is φ = 271228124160.

The previous prime is 1204201240211. The next prime is 1204201240259. The reversal of 1204201240242 is 2420421024021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6351009 + ... + 6537867.

It is an arithmetic number, because the mean of its divisors is an integer number (13420285200).

Almost surely, 2^{1204201240242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204201240242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717796505600).

1204201240242 is an abundant number, since it is smaller than the sum of its proper divisors (2231391770958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1204201240242 is a wasteful number, since it uses less digits than its factorization.

1204201240242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186961.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 1204201240242 its reverse (2420421024021), we get a palindrome (3624622264263).

The spelling of 1204201240242 in words is "one trillion, two hundred four billion, two hundred one million, two hundred forty thousand, two hundred forty-two".