213220413229 has 2 divisors, whose sum is σ = 213220413230. Its totient is φ = 213220413228.

The previous prime is 213220413221. The next prime is 213220413269. The reversal of 213220413229 is 922314022312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131239552900 + 81980860329 = 362270^2 + 286323^2 .

It is a cyclic number.

It is not a de Polignac number, because 213220413229 - 2³ = 213220413221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213220413229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213220413221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106610206614 + 106610206615.

It is an arithmetic number, because the mean of its divisors is an integer number (106610206615).

Almost surely, 2^213220413229 is an apocalyptic number.

It is an amenable number.

213220413229 is a deficient number, since it is larger than the sum of its proper divisors (1).

213220413229 is an equidigital number, since it uses as much as digits as its factorization.

213220413229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 213220413229 in words is "two hundred thirteen billion, two hundred twenty million, four hundred thirteen thousand, two hundred twenty-nine".