1213407072833 has 2 divisors, whose sum is σ = 1213407072834. Its totient is φ = 1213407072832.

The previous prime is 1213407072797. The next prime is 1213407072851. The reversal of 1213407072833 is 3382707043121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1061079227569 + 152327845264 = 1030087^2 + 390292^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213407072833 - 2¹² = 1213407068737 is a prime.

It is a super-2 number, since 2×1213407072833² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1213407078833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606703536416 + 606703536417.

It is an arithmetic number, because the mean of its divisors is an integer number (606703536417).

Almost surely, 2^{1213407072833} is an apocalyptic number.

It is an amenable number.

1213407072833 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213407072833 is an equidigital number, since it uses as much as digits as its factorization.

1213407072833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 1213407072833 in words is "one trillion, two hundred thirteen billion, four hundred seven million, seventy-two thousand, eight hundred thirty-three".