340020121003042 has 16 divisors (see below), whose sum is σ = 517483097554680. Its totient is φ = 167529955162752.

The previous prime is 340020121003019. The next prime is 340020121003207. The reversal of 340020121003042 is 240300121020043.

It can be written as a sum of positive squares in 4 ways, for example, as 268778941681441 + 71241179321601 = 16394479^2 + 8440449^2 .

It is a super-2 number, since 2×340020121003042² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049840313 + ... + 1050164140.

Almost surely, 2^{340020121003042} is an apocalyptic number.

340020121003042 is a deficient number, since it is larger than the sum of its proper divisors (177462976551638).

340020121003042 is a wasteful number, since it uses less digits than its factorization.

340020121003042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100005637.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 340020121003042 its reverse (240300121020043), we get a palindrome (580320242023085).

The spelling of 340020121003042 in words is "three hundred forty trillion, twenty billion, one hundred twenty-one million, three thousand, forty-two".