122312340202045 has 12 divisors (see below), whose sum is σ = 170738042241564. Its totient is φ = 83871318995520.

The previous prime is 122312340202009. The next prime is 122312340202139. The reversal of 122312340202045 is 540202043213221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49342715166969 + 72969625035076 = 7024437^2 + 8542226^2 .

It is not a de Polignac number, because 122312340202045 - 2¹⁹ = 122312339677757 is a prime.

It is a super-2 number, since 2×122312340202045² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122312340201998 and 122312340202016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249617020576 + ... + 249617021065.

It is an arithmetic number, because the mean of its divisors is an integer number (14228170186797).

Almost surely, 2^{122312340202045} is an apocalyptic number.

It is an amenable number.

122312340202045 is a deficient number, since it is larger than the sum of its proper divisors (48425702039519).

122312340202045 is an equidigital number, since it uses as much as digits as its factorization.

122312340202045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499234041660 (or 499234041653 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 122312340202045 its reverse (540202043213221), we get a palindrome (662514383415266).

The spelling of 122312340202045 in words is "one hundred twenty-two trillion, three hundred twelve billion, three hundred forty million, two hundred two thousand, forty-five".