1226028320297 has 12 divisors (see below), whose sum is σ = 1347672714948. Its totient is φ = 1114525869600.

The previous prime is 1226028320273. The next prime is 1226028320347. The reversal of 1226028320297 is 7920238206221.

It can be written as a sum of positive squares in 2 ways, for example, as 633534810601 + 592493509696 = 795949^2 + 769736^2 .

It is not a de Polignac number, because 1226028320297 - 2⁶ = 1226028320233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226028320207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2984663 + ... + 3370499.

It is an arithmetic number, because the mean of its divisors is an integer number (112306059579).

Almost surely, 2^{1226028320297} is an apocalyptic number.

It is an amenable number.

1226028320297 is a deficient number, since it is larger than the sum of its proper divisors (121644394651).

1226028320297 is a wasteful number, since it uses less digits than its factorization.

1226028320297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412120 (or 412109 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 1226028320297 in words is "one trillion, two hundred twenty-six billion, twenty-eight million, three hundred twenty thousand, two hundred ninety-seven".