21212002333259 has 2 divisors, whose sum is σ = 21212002333260. Its totient is φ = 21212002333258.

The previous prime is 21212002333231. The next prime is 21212002333339. The reversal of 21212002333259 is 95233320021212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21212002333259 - 2³² = 21207707365963 is a prime.

It is a super-2 number, since 2×21212002333259² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21212002393259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10606001166629 + 10606001166630.

It is an arithmetic number, because the mean of its divisors is an integer number (10606001166630).

Almost surely, 2^{21212002333259} is an apocalyptic number.

21212002333259 is a deficient number, since it is larger than the sum of its proper divisors (1).

21212002333259 is an equidigital number, since it uses as much as digits as its factorization.

21212002333259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 21212002333259 in words is "twenty-one trillion, two hundred twelve billion, two million, three hundred thirty-three thousand, two hundred fifty-nine".