122203431278407 has 2 divisors, whose sum is σ = 122203431278408. Its totient is φ = 122203431278406.

The previous prime is 122203431278363. The next prime is 122203431278447. The reversal of 122203431278407 is 704872134302221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122203431278407 - 2¹⁵ = 122203431245639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122203431278447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61101715639203 + 61101715639204.

It is an arithmetic number, because the mean of its divisors is an integer number (61101715639204).

Almost surely, 2^{122203431278407} is an apocalyptic number.

122203431278407 is a deficient number, since it is larger than the sum of its proper divisors (1).

122203431278407 is an equidigital number, since it uses as much as digits as its factorization.

122203431278407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 122203431278407 in words is "one hundred twenty-two trillion, two hundred three billion, four hundred thirty-one million, two hundred seventy-eight thousand, four hundred seven".