1287296233101 has 8 divisors (see below), whose sum is σ = 1907105530560. Its totient is φ = 858197488716.

The previous prime is 1287296233043. The next prime is 1287296233103. The reversal of 1287296233101 is 1013326927821.

It is a happy number.

1287296233101 is a `hidden beast` number, since 1 + 2 + 8 + 7 + 2 + 9 + 623 + 3 + 10 + 1 = 666.

It is not a de Polignac number, because 1287296233101 - 2¹⁰ = 1287296232077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1287296233103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23838819105 + ... + 23838819158.

It is an arithmetic number, because the mean of its divisors is an integer number (238388191320).

Almost surely, 2^{1287296233101} is an apocalyptic number.

It is an amenable number.

1287296233101 is a deficient number, since it is larger than the sum of its proper divisors (619809297459).

1287296233101 is an equidigital number, since it uses as much as digits as its factorization.

1287296233101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47677638272 (or 47677638266 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 1287296233101 in words is "one trillion, two hundred eighty-seven billion, two hundred ninety-six million, two hundred thirty-three thousand, one hundred one".