122554235312231 has 2 divisors, whose sum is σ = 122554235312232. Its totient is φ = 122554235312230.

The previous prime is 122554235312213. The next prime is 122554235312261. The reversal of 122554235312231 is 132213532455221.

Together with previous prime (122554235312213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122554235312231 is a prime.

It is a super-2 number, since 2×122554235312231² (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 (122554235312261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61277117656115 + 61277117656116.

It is an arithmetic number, because the mean of its divisors is an integer number (61277117656116).

Almost surely, 2^{122554235312231} is an apocalyptic number.

122554235312231 is a deficient number, since it is larger than the sum of its proper divisors (1).

122554235312231 is an equidigital number, since it uses as much as digits as its factorization.

122554235312231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 41.

Adding to 122554235312231 its reverse (132213532455221), we get a palindrome (254767767767452).

The spelling of 122554235312231 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, two hundred thirty-five million, three hundred twelve thousand, two hundred thirty-one".