1212222022147 has 2 divisors, whose sum is σ = 1212222022148. Its totient is φ = 1212222022146.

The previous prime is 1212222022129. The next prime is 1212222022157. The reversal of 1212222022147 is 7412202222121.

It is a strong prime.

It is an emirp because it is prime and its reverse (7412202222121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212222022147 - 2³¹ = 1210074538499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212222022157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606111011073 + 606111011074.

It is an arithmetic number, because the mean of its divisors is an integer number (606111011074).

Almost surely, 2^{1212222022147} is an apocalyptic number.

1212222022147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212222022147 is an equidigital number, since it uses as much as digits as its factorization.

1212222022147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 1212222022147 its reverse (7412202222121), we get a palindrome (8624424244268).

The spelling of 1212222022147 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, twenty-two thousand, one hundred forty-seven".