2122312120057 has 8 divisors (see below), whose sum is σ = 2126776521672. Its totient is φ = 2117851507200.

The previous prime is 2122312120031. The next prime is 2122312120063. The reversal of 2122312120057 is 7500212132212.

It can be written as a sum of positive squares in 4 ways, for example, as 641274233616 + 1481037886441 = 800796^2 + 1216979^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122312120057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122312120067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175707 + ... + 2067727.

It is an arithmetic number, because the mean of its divisors is an integer number (265847065209).

Almost surely, 2^{2122312120057} is an apocalyptic number.

It is an amenable number.

2122312120057 is a deficient number, since it is larger than the sum of its proper divisors (4464401615).

2122312120057 is a wasteful number, since it uses less digits than its factorization.

2122312120057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894379.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 2122312120057 its reverse (7500212132212), we get a palindrome (9622524252269).

The spelling of 2122312120057 in words is "two trillion, one hundred twenty-two billion, three hundred twelve million, one hundred twenty thousand, fifty-seven".