1204233142442 has 16 divisors (see below), whose sum is σ = 1972204136064. Its totient is φ = 546922920000.

The previous prime is 1204233142439. The next prime is 1204233142447. The reversal of 1204233142442 is 2442413324021.

It is a happy number.

It is a super-2 number, since 2×1204233142442² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1204233142399 and 1204233142408.

It is not an unprimeable number, because it can be changed into a prime (1204233142447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22762034 + ... + 22814877.

It is an arithmetic number, because the mean of its divisors is an integer number (123262758504).

Almost surely, 2^{1204233142442} is an apocalyptic number.

1204233142442 is a deficient number, since it is larger than the sum of its proper divisors (767970993622).

1204233142442 is a wasteful number, since it uses less digits than its factorization.

1204233142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45578125.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1204233142442 its reverse (2442413324021), we get a palindrome (3646646466463).

The spelling of 1204233142442 in words is "one trillion, two hundred four billion, two hundred thirty-three million, one hundred forty-two thousand, four hundred forty-two".