212013331333 has 2 divisors, whose sum is σ = 212013331334. Its totient is φ = 212013331332.

The previous prime is 212013331273. The next prime is 212013331337. The reversal of 212013331333 is 333133310212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161963587809 + 50049743524 = 402447^2 + 223718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212013331333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212013331298 and 212013331307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013331337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006665666 + 106006665667.

It is an arithmetic number, because the mean of its divisors is an integer number (106006665667).

Almost surely, 2^212013331333 is an apocalyptic number.

It is an amenable number.

212013331333 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013331333 is an equidigital number, since it uses as much as digits as its factorization.

212013331333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 212013331333 its reverse (333133310212), we get a palindrome (545146641545).

The spelling of 212013331333 in words is "two hundred twelve billion, thirteen million, three hundred thirty-one thousand, three hundred thirty-three".