213012202122229 has 2 divisors, whose sum is σ = 213012202122230. Its totient is φ = 213012202122228.

The previous prime is 213012202122199. The next prime is 213012202122271. The reversal of 213012202122229 is 922221202210312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142699700707204 + 70312501415025 = 11945698^2 + 8385255^2 .

It is a cyclic number.

It is not a de Polignac number, because 213012202122229 - 2¹¹ = 213012202120181 is a prime.

It is a super-2 number, since 2×213012202122229² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213012202122229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213012202122289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106506101061114 + 106506101061115.

It is an arithmetic number, because the mean of its divisors is an integer number (106506101061115).

Almost surely, 2^{213012202122229} is an apocalyptic number.

It is an amenable number.

213012202122229 is a deficient number, since it is larger than the sum of its proper divisors (1).

213012202122229 is an equidigital number, since it uses as much as digits as its factorization.

213012202122229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 213012202122229 in words is "two hundred thirteen trillion, twelve billion, two hundred two million, one hundred twenty-two thousand, two hundred twenty-nine".