1212210220147 has 2 divisors, whose sum is σ = 1212210220148. Its totient is φ = 1212210220146.

The previous prime is 1212210220099. The next prime is 1212210220153. The reversal of 1212210220147 is 7410220122121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212210220147 - 2⁷ = 1212210220019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212210220187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105110073 + 606105110074.

It is an arithmetic number, because the mean of its divisors is an integer number (606105110074).

Almost surely, 2^{1212210220147} is an apocalyptic number.

1212210220147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210220147 is an equidigital number, since it uses as much as digits as its factorization.

1212210220147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 1212210220147 its reverse (7410220122121), we get a palindrome (8622430342268).

The spelling of 1212210220147 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred twenty thousand, one hundred forty-seven".