2126705972330 has 8 divisors (see below), whose sum is σ = 3828070750212. Its totient is φ = 850682388928.

The previous prime is 2126705972273. The next prime is 2126705972333. The reversal of 2126705972330 is 332795076212.

It is a Cunningham number, because it is equal to 1458323²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2126705972329 + 1 = 1458323^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2126705972333) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 106335298607 + ... + 106335298626.

Almost surely, 2^{2126705972330} is an apocalyptic number.

2126705972330 is a deficient number, since it is larger than the sum of its proper divisors (1701364777882).

2126705972330 is a wasteful number, since it uses less digits than its factorization.

2126705972330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212670597240.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 2126705972330 in words is "two trillion, one hundred twenty-six billion, seven hundred five million, nine hundred seventy-two thousand, three hundred thirty".