212220101220073 has 2 divisors, whose sum is σ = 212220101220074. Its totient is φ = 212220101220072.

The previous prime is 212220101220013. The next prime is 212220101220133. The reversal of 212220101220073 is 370022101022212.

It is a balanced prime because it is at equal distance from previous prime (212220101220013) and next prime (212220101220133).

It can be written as a sum of positive squares in only one way, i.e., 206600721926544 + 5619379293529 = 14373612^2 + 2370523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212220101220073 is a prime.

It is not a weakly prime, because it can be changed into another prime (212220101220013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106110050610036 + 106110050610037.

It is an arithmetic number, because the mean of its divisors is an integer number (106110050610037).

Almost surely, 2^{212220101220073} is an apocalyptic number.

It is an amenable number.

212220101220073 is a deficient number, since it is larger than the sum of its proper divisors (1).

212220101220073 is an equidigital number, since it uses as much as digits as its factorization.

212220101220073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 212220101220073 its reverse (370022101022212), we get a palindrome (582242202242285).

The spelling of 212220101220073 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred one million, two hundred twenty thousand, seventy-three".