1213043112583 has 2 divisors, whose sum is σ = 1213043112584. Its totient is φ = 1213043112582.

The previous prime is 1213043112581. The next prime is 1213043112713. The reversal of 1213043112583 is 3852113403121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213043112583 - 2¹ = 1213043112581 is a prime.

Together with 1213043112581, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213043112581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606521556291 + 606521556292.

It is an arithmetic number, because the mean of its divisors is an integer number (606521556292).

Almost surely, 2^{1213043112583} is an apocalyptic number.

1213043112583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213043112583 is an equidigital number, since it uses as much as digits as its factorization.

1213043112583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 1213043112583 in words is "one trillion, two hundred thirteen billion, forty-three million, one hundred twelve thousand, five hundred eighty-three".