2120103312434 has 4 divisors (see below), whose sum is σ = 3180154968654. Its totient is φ = 1060051656216.

The previous prime is 2120103312419. The next prime is 2120103312463. The reversal of 2120103312434 is 4342133010212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1950114496225 + 169988816209 = 1396465^2 + 412297^2 .

It is a Curzon 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 as a sum of consecutive naturals, namely, 530025828107 + ... + 530025828110.

Almost surely, 2^{2120103312434} is an apocalyptic number.

2120103312434 is a deficient number, since it is larger than the sum of its proper divisors (1060051656220).

2120103312434 is a wasteful number, since it uses less digits than its factorization.

2120103312434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060051656219.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2120103312434 its reverse (4342133010212), we get a palindrome (6462236322646).

The spelling of 2120103312434 in words is "two trillion, one hundred twenty billion, one hundred three million, three hundred twelve thousand, four hundred thirty-four".