1205876338442 has 8 divisors (see below), whose sum is σ = 1809400083300. Its totient is φ = 602742977344.

The previous prime is 1205876338439. The next prime is 1205876338463. The reversal of 1205876338442 is 2448336785021.

It can be written as a sum of positive squares in 2 ways, for example, as 788471185681 + 417405152761 = 887959^2 + 646069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1205876338442² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97588217 + ... + 97600572.

Almost surely, 2^{1205876338442} is an apocalyptic number.

1205876338442 is a deficient number, since it is larger than the sum of its proper divisors (603523744858).

1205876338442 is a wasteful number, since it uses less digits than its factorization.

1205876338442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195191880.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 1205876338442 in words is "one trillion, two hundred five billion, eight hundred seventy-six million, three hundred thirty-eight thousand, four hundred forty-two".