212222023147 has 2 divisors, whose sum is σ = 212222023148. Its totient is φ = 212222023146.

The previous prime is 212222023121. The next prime is 212222023207. The reversal of 212222023147 is 741320222212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212222023147 is a prime.

It is not a weakly prime, because it can be changed into another prime (212222063147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106111011573 + 106111011574.

It is an arithmetic number, because the mean of its divisors is an integer number (106111011574).

Almost surely, 2^212222023147 is an apocalyptic number.

212222023147 is a deficient number, since it is larger than the sum of its proper divisors (1).

212222023147 is an equidigital number, since it uses as much as digits as its factorization.

212222023147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 212222023147 its reverse (741320222212), we get a palindrome (953542245359).

The spelling of 212222023147 in words is "two hundred twelve billion, two hundred twenty-two million, twenty-three thousand, one hundred forty-seven".