2104312120242 has 16 divisors (see below), whose sum is σ = 4227164438112. Its totient is φ = 698347340480.

The previous prime is 2104312120237. The next prime is 2104312120271. The reversal of 2104312120242 is 2420212134012.

It is a super-2 number, since 2×2104312120242² (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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772506759 + ... + 772509482.

It is an arithmetic number, because the mean of its divisors is an integer number (264197777382).

Almost surely, 2^{2104312120242} is an apocalyptic number.

2104312120242 is an abundant number, since it is smaller than the sum of its proper divisors (2122852317870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2104312120242 is a wasteful number, since it uses less digits than its factorization.

2104312120242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545016473.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2104312120242 its reverse (2420212134012), we get a palindrome (4524524254254).

The spelling of 2104312120242 in words is "two trillion, one hundred four billion, three hundred twelve million, one hundred twenty thousand, two hundred forty-two".