12210521363 has 2 divisors, whose sum is σ = 12210521364. Its totient is φ = 12210521362.

The previous prime is 12210521347. The next prime is 12210521377. The reversal of 12210521363 is 36312501221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12210521363 - 2⁴ = 12210521347 is a prime.

It is not a weakly prime, because it can be changed into another prime (12210521383) 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, 6105260681 + 6105260682.

It is an arithmetic number, because the mean of its divisors is an integer number (6105260682).

Almost surely, 2^12210521363 is an apocalyptic number.

12210521363 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210521363 is an equidigital number, since it uses as much as digits as its factorization.

12210521363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 12210521363 in words is "twelve billion, two hundred ten million, five hundred twenty-one thousand, three hundred sixty-three".