212303211229 has 2 divisors, whose sum is σ = 212303211230. Its totient is φ = 212303211228.

The previous prime is 212303211209. The next prime is 212303211287. The reversal of 212303211229 is 922112303212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200593807129 + 11709404100 = 447877^2 + 108210^2 .

It is a cyclic number.

It is not a de Polignac number, because 212303211229 - 2¹⁹ = 212302686941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212303211197 and 212303211206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212303211209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106151605614 + 106151605615.

It is an arithmetic number, because the mean of its divisors is an integer number (106151605615).

Almost surely, 2^212303211229 is an apocalyptic number.

It is an amenable number.

212303211229 is a deficient number, since it is larger than the sum of its proper divisors (1).

212303211229 is an equidigital number, since it uses as much as digits as its factorization.

212303211229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 212303211229 in words is "two hundred twelve billion, three hundred three million, two hundred eleven thousand, two hundred twenty-nine".