1213132113113 has 2 divisors, whose sum is σ = 1213132113114. Its totient is φ = 1213132113112.

The previous prime is 1213132113103. The next prime is 1213132113199. The reversal of 1213132113113 is 3113112313121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 753540316489 + 459591796624 = 868067^2 + 677932^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213132113113 - 2⁶ = 1213132113049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213132113103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606566056556 + 606566056557.

It is an arithmetic number, because the mean of its divisors is an integer number (606566056557).

Almost surely, 2^{1213132113113} is an apocalyptic number.

It is an amenable number.

1213132113113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213132113113 is an equidigital number, since it uses as much as digits as its factorization.

1213132113113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 23.

Adding to 1213132113113 its reverse (3113112313121), we get a palindrome (4326244426234).

The spelling of 1213132113113 in words is "one trillion, two hundred thirteen billion, one hundred thirty-two million, one hundred thirteen thousand, one hundred thirteen".