1205213341142 has 16 divisors (see below), whose sum is σ = 1809202662864. Its totient is φ = 602145900000.

The previous prime is 1205213341067. The next prime is 1205213341159. The reversal of 1205213341142 is 2411433125021.

It is a happy number.

It is a super-3 number, since 3×1205213341142³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25591517 + ... + 25638567.

It is an arithmetic number, because the mean of its divisors is an integer number (113075166429).

Almost surely, 2^{1205213341142} is an apocalyptic number.

1205213341142 is a deficient number, since it is larger than the sum of its proper divisors (603989321722).

1205213341142 is a wasteful number, since it uses less digits than its factorization.

1205213341142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56575.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1205213341142 its reverse (2411433125021), we get a palindrome (3616646466163).

The spelling of 1205213341142 in words is "one trillion, two hundred five billion, two hundred thirteen million, three hundred forty-one thousand, one hundred forty-two".