122203431278447 has 2 divisors, whose sum is σ = 122203431278448. Its totient is φ = 122203431278446.

The previous prime is 122203431278407. The next prime is 122203431278501. The reversal of 122203431278447 is 744872134302221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122203431278447 - 2¹⁴ = 122203431262063 is a prime.

It is a super-2 number, since 2×122203431278447² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122203431278395 and 122203431278404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122203431278407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61101715639223 + 61101715639224.

It is an arithmetic number, because the mean of its divisors is an integer number (61101715639224).

Almost surely, 2^{122203431278447} is an apocalyptic number.

122203431278447 is a deficient number, since it is larger than the sum of its proper divisors (1).

122203431278447 is an equidigital number, since it uses as much as digits as its factorization.

122203431278447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3612672, while the sum is 50.

The spelling of 122203431278447 in words is "one hundred twenty-two trillion, two hundred three billion, four hundred thirty-one million, two hundred seventy-eight thousand, four hundred forty-seven".