12890213293 has 2 divisors, whose sum is σ = 12890213294. Its totient is φ = 12890213292.

The previous prime is 12890213257. The next prime is 12890213359. The reversal of 12890213293 is 39231209821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12454113604 + 436099689 = 111598^2 + 20883^2 .

It is a cyclic number.

It is not a de Polignac number, because 12890213293 - 2¹⁷ = 12890082221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12890213213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6445106646 + 6445106647.

It is an arithmetic number, because the mean of its divisors is an integer number (6445106647).

Almost surely, 2^12890213293 is an apocalyptic number.

It is an amenable number.

12890213293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12890213293 is an equidigital number, since it uses as much as digits as its factorization.

12890213293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 12890213293 in words is "twelve billion, eight hundred ninety million, two hundred thirteen thousand, two hundred ninety-three".