1229203356287 has 2 divisors, whose sum is σ = 1229203356288. Its totient is φ = 1229203356286.

The previous prime is 1229203356281. The next prime is 1229203356289. The reversal of 1229203356287 is 7826533029221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1229203356287 - 2¹² = 1229203352191 is a prime.

It is a super-2 number, since 2×1229203356287² (a number of 25 digits) contains 22 as substring.

Together with 1229203356289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1229203356281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614601678143 + 614601678144.

It is an arithmetic number, because the mean of its divisors is an integer number (614601678144).

Almost surely, 2^{1229203356287} is an apocalyptic number.

1229203356287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229203356287 is an equidigital number, since it uses as much as digits as its factorization.

1229203356287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 1229203356287 in words is "one trillion, two hundred twenty-nine billion, two hundred three million, three hundred fifty-six thousand, two hundred eighty-seven".