1213133102309 has 2 divisors, whose sum is σ = 1213133102310. Its totient is φ = 1213133102308.

The previous prime is 1213133102297. The next prime is 1213133102329. The reversal of 1213133102309 is 9032013313121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1181738578084 + 31394524225 = 1087078^2 + 177185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213133102309 - 2²⁰ = 1213132053733 is a prime.

It is a super-2 number, since 2×1213133102309² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213133102329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606566551154 + 606566551155.

It is an arithmetic number, because the mean of its divisors is an integer number (606566551155).

Almost surely, 2^{1213133102309} is an apocalyptic number.

It is an amenable number.

1213133102309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213133102309 is an equidigital number, since it uses as much as digits as its factorization.

1213133102309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 1213133102309 in words is "one trillion, two hundred thirteen billion, one hundred thirty-three million, one hundred two thousand, three hundred nine".