1204123240442 has 16 divisors (see below), whose sum is σ = 1811975848200. Its totient is φ = 600132464448.

The previous prime is 1204123240417. The next prime is 1204123240483. The reversal of 1204123240442 is 2440423214021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 948440306641 + 255682933801 = 973879^2 + 505651^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772288 + ... + 2355684.

Almost surely, 2^{1204123240442} is an apocalyptic number.

1204123240442 is a deficient number, since it is larger than the sum of its proper divisors (607852607758).

1204123240442 is a wasteful number, since it uses less digits than its factorization.

1204123240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586705.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1204123240442 its reverse (2440423214021), we get a palindrome (3644546454463).

The spelling of 1204123240442 in words is "one trillion, two hundred four billion, one hundred twenty-three million, two hundred forty thousand, four hundred forty-two".