1226501084313 has 48 divisors (see below), whose sum is σ = 1829240549136. Its totient is φ = 791409991680.

The previous prime is 1226501084243. The next prime is 1226501084327. The reversal of 1226501084313 is 3134801056221.

1226501084313 is a `hidden beast` number, since 1 + 2 + 265 + 0 + 1 + 0 + 84 + 313 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 460875024 + 1226040209289 = 21468^2 + 1107267^2 .

It is not a de Polignac number, because 1226501084313 - 2⁸ = 1226501084057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1226501084363) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25636731 + ... + 25684527.

It is an arithmetic number, because the mean of its divisors is an integer number (38109178107).

Almost surely, 2^{1226501084313} is an apocalyptic number.

It is an amenable number.

1226501084313 is a deficient number, since it is larger than the sum of its proper divisors (602739464823).

1226501084313 is a wasteful number, since it uses less digits than its factorization.

1226501084313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48394 (or 48391 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 1226501084313 in words is "one trillion, two hundred twenty-six billion, five hundred one million, eighty-four thousand, three hundred thirteen".