1213012332823 has 2 divisors, whose sum is σ = 1213012332824. Its totient is φ = 1213012332822.

The previous prime is 1213012332809. The next prime is 1213012332841. The reversal of 1213012332823 is 3282332103121.

It is a weak prime.

It is an emirp because it is prime and its reverse (3282332103121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1213012332823 - 2¹³ = 1213012324631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213012332893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606506166411 + 606506166412.

It is an arithmetic number, because the mean of its divisors is an integer number (606506166412).

Almost surely, 2^{1213012332823} is an apocalyptic number.

1213012332823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213012332823 is an equidigital number, since it uses as much as digits as its factorization.

1213012332823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 1213012332823 its reverse (3282332103121), we get a palindrome (4495344435944).

The spelling of 1213012332823 in words is "one trillion, two hundred thirteen billion, twelve million, three hundred thirty-two thousand, eight hundred twenty-three".