122312110240447 has 2 divisors, whose sum is σ = 122312110240448. Its totient is φ = 122312110240446.

The previous prime is 122312110240429. The next prime is 122312110240477. The reversal of 122312110240447 is 744042011213221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122312110240447 is a prime.

It is a super-2 number, since 2×122312110240447² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122312110240477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156055120223 + 61156055120224.

It is an arithmetic number, because the mean of its divisors is an integer number (61156055120224).

Almost surely, 2^{122312110240447} is an apocalyptic number.

122312110240447 is a deficient number, since it is larger than the sum of its proper divisors (1).

122312110240447 is an equidigital number, since it uses as much as digits as its factorization.

122312110240447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 122312110240447 its reverse (744042011213221), we get a palindrome (866354121453668).

The spelling of 122312110240447 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred ten million, two hundred forty thousand, four hundred forty-seven".