212621435203 has 2 divisors, whose sum is σ = 212621435204. Its totient is φ = 212621435202.

The previous prime is 212621435189. The next prime is 212621435227. The reversal of 212621435203 is 302534126212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212621435203 - 2²¹ = 212619338051 is a prime.

It is not a weakly prime, because it can be changed into another prime (212621433203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106310717601 + 106310717602.

It is an arithmetic number, because the mean of its divisors is an integer number (106310717602).

Almost surely, 2^212621435203 is an apocalyptic number.

212621435203 is a deficient number, since it is larger than the sum of its proper divisors (1).

212621435203 is an equidigital number, since it uses as much as digits as its factorization.

212621435203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 212621435203 in words is "two hundred twelve billion, six hundred twenty-one million, four hundred thirty-five thousand, two hundred three".