122312110240477 has 2 divisors, whose sum is σ = 122312110240478. Its totient is φ = 122312110240476.

The previous prime is 122312110240447. The next prime is 122312110240501. The reversal of 122312110240477 is 774042011213221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116821964513241 + 5490145727236 = 10808421^2 + 2343106^2 .

It is a cyclic number.

It is not a de Polignac number, because 122312110240477 - 2¹¹ = 122312110238429 is a prime.

It is a super-3 number, since 3×122312110240477³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122312110240447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156055120238 + 61156055120239.

It is an arithmetic number, because the mean of its divisors is an integer number (61156055120239).

Almost surely, 2^{122312110240477} is an apocalyptic number.

It is an amenable number.

122312110240477 is a deficient number, since it is larger than the sum of its proper divisors (1).

122312110240477 is an equidigital number, since it uses as much as digits as its factorization.

122312110240477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 37.

Adding to 122312110240477 its reverse (774042011213221), we get a palindrome (896354121453698).

The spelling of 122312110240477 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred ten million, two hundred forty thousand, four hundred seventy-seven".