1220112122147 has 2 divisors, whose sum is σ = 1220112122148. Its totient is φ = 1220112122146.

The previous prime is 1220112122077. The next prime is 1220112122179. The reversal of 1220112122147 is 7412212110221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220112122147 is a prime.

It is a super-2 number, since 2×1220112122147² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1220112127147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610056061073 + 610056061074.

It is an arithmetic number, because the mean of its divisors is an integer number (610056061074).

Almost surely, 2^{1220112122147} is an apocalyptic number.

1220112122147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220112122147 is an equidigital number, since it uses as much as digits as its factorization.

1220112122147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 1220112122147 its reverse (7412212110221), we get a palindrome (8632324232368).

The spelling of 1220112122147 in words is "one trillion, two hundred twenty billion, one hundred twelve million, one hundred twenty-two thousand, one hundred forty-seven".