1213051583089 has 2 divisors, whose sum is σ = 1213051583090.
Its totient is φ = 1213051583088.
The previous prime is 1213051583069. The next prime is 1213051583111. The reversal of 1213051583089 is 9803851503121.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 969864523489 + 243187059600 = 984817^2 + 493140^2
It is a cyclic number.
It is not a de Polignac number, because 1213051583089 - 211 = 1213051581041 is a prime.
It is not a weakly prime, because it can be changed into another prime (1213051583069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606525791544 + 606525791545.
It is an arithmetic number, because the mean of its divisors is an integer number (606525791545).
Almost surely, 21213051583089 is an apocalyptic number.
It is an amenable number.
1213051583089 is a deficient number, since it is larger than the sum of its proper divisors (1).
1213051583089 is an equidigital number, since it uses as much as digits as its factorization.
1213051583089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 259200, while the sum is 46.
The spelling of 1213051583089 in words is "one trillion, two hundred thirteen billion, fifty-one million, five hundred eighty-three thousand, eighty-nine".