1226017131223 has 2 divisors, whose sum is σ = 1226017131224. Its totient is φ = 1226017131222.

The previous prime is 1226017131191. The next prime is 1226017131257. The reversal of 1226017131223 is 3221317106221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1226017131223 - 2⁵ = 1226017131191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226017131263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613008565611 + 613008565612.

It is an arithmetic number, because the mean of its divisors is an integer number (613008565612).

Almost surely, 2^{1226017131223} is an apocalyptic number.

1226017131223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226017131223 is an equidigital number, since it uses as much as digits as its factorization.

1226017131223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 1226017131223 in words is "one trillion, two hundred twenty-six billion, seventeen million, one hundred thirty-one thousand, two hundred twenty-three".